247385320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 745920000

約数和(自身を除く): 498534680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 73, 76, 91, 95, 98, 104, 130, 133, 140, 146, 152, 182, 190, 196, 245, 247, 260, 266, 280, 292, 343, 364, 365, 380, 392, 455, 490, 494, 511, 520, 532, 584, 637, 665, 686, 728, 730, 760, 910, 931, 949, 980, 988, 1022, 1064, 1235, 1274, 1330, 1372, 1387, 1460, 1715, 1729, 1820, 1862, 1898, 1960, 1976, 2044, 2470, 2548, 2555, 2660, 2744, 2774, 2920, 3185, 3430, 3458, 3577, 3640, 3724, 3796, 4088, 4459, 4655, 4745, 4940, 5096, 5110, 5320, 5548, 6370, 6517, 6643, 6860, 6916, 6935, 7154, 7448, 7592, 8645, 8918, 9310, 9490, 9709, 9880, 10220, 11096, 12103, 12740, 13034, 13286, 13720, 13832, 13870, 14308, 17290, 17836, 17885, 18031, 18620, 18980, 19418, 20440, 22295, 24206, 25039, 25480, 26068, 26572, 27740, 28616, 32585, 33215, 34580, 35672, 35770, 36062, 37240, 37960, 38836, 44590, 46501, 48412, 48545, 50078, 52136, 53144, 55480, 60515, 65170, 66430, 67963, 69160, 71540, 72124, 77672, 84721, 89180, 90155, 93002, 96824, 97090, 100156, 121030, 125195, 126217, 130340, 132860, 135926, 143080, 144248, 169442, 178360, 180310, 186004, 194180, 200312, 232505, 242060, 250390, 252434, 260680, 265720, 271852, 325507, 338884, 339815, 360620, 372008, 388360, 423605, 465010, 475741, 484120, 500780, 504868, 543704, 631085, 651014, 677768, 679630, 721240, 847210, 883519, 930020, 951482, 1001560, 1009736, 1262170, 1302028, 1359260, 1627535, 1694420, 1767038, 1860040, 1902964, 2378705, 2524340, 2604056, 2718520, 3255070, 3388840, 3534076, 3805928, 4417595, 4757410, 5048680, 6184633, 6510140, 7068152, 8835190, 9514820, 12369266, 13020280, 17670380, 19029640, 24738532, 30923165, 35340760, 49477064, 61846330, 123692660, 247385320]

約数ペア:

[(1, 247385320), (2, 123692660), (4, 61846330), (5, 49477064), (7, 35340760), (8, 30923165), (10, 24738532), (13, 19029640), (14, 17670380), (19, 13020280), (20, 12369266), (26, 9514820), (28, 8835190), (35, 7068152), (38, 6510140), (40, 6184633), (49, 5048680), (52, 4757410), (56, 4417595), (65, 3805928), (70, 3534076), (73, 3388840), (76, 3255070), (91, 2718520), (95, 2604056), (98, 2524340), (104, 2378705), (130, 1902964), (133, 1860040), (140, 1767038), (146, 1694420), (152, 1627535), (182, 1359260), (190, 1302028), (196, 1262170), (245, 1009736), (247, 1001560), (260, 951482), (266, 930020), (280, 883519), (292, 847210), (343, 721240), (364, 679630), (365, 677768), (380, 651014), (392, 631085), (455, 543704), (490, 504868), (494, 500780), (511, 484120), (520, 475741), (532, 465010), (584, 423605), (637, 388360), (665, 372008), (686, 360620), (728, 339815), (730, 338884), (760, 325507), (910, 271852), (931, 265720), (949, 260680), (980, 252434), (988, 250390), (1022, 242060), (1064, 232505), (1235, 200312), (1274, 194180), (1330, 186004), (1372, 180310), (1387, 178360), (1460, 169442), (1715, 144248), (1729, 143080), (1820, 135926), (1862, 132860), (1898, 130340), (1960, 126217), (1976, 125195), (2044, 121030), (2470, 100156), (2548, 97090), (2555, 96824), (2660, 93002), (2744, 90155), (2774, 89180), (2920, 84721), (3185, 77672), (3430, 72124), (3458, 71540), (3577, 69160), (3640, 67963), (3724, 66430), (3796, 65170), (4088, 60515), (4459, 55480), (4655, 53144), (4745, 52136), (4940, 50078), (5096, 48545), (5110, 48412), (5320, 46501), (5548, 44590), (6370, 38836), (6517, 37960), (6643, 37240), (6860, 36062), (6916, 35770), (6935, 35672), (7154, 34580), (7448, 33215), (7592, 32585), (8645, 28616), (8918, 27740), (9310, 26572), (9490, 26068), (9709, 25480), (9880, 25039), (10220, 24206), (11096, 22295), (12103, 20440), (12740, 19418), (13034, 18980), (13286, 18620), (13720, 18031), (13832, 17885), (13870, 17836), (14308, 17290)]