251844320

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 749347200

約数和(自身を除く): 497502880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 343, 353, 364, 392, 416, 455, 490, 520, 560, 637, 686, 706, 728, 784, 910, 980, 1040, 1120, 1274, 1372, 1412, 1456, 1568, 1715, 1765, 1820, 1960, 2080, 2471, 2548, 2744, 2824, 2912, 3185, 3430, 3530, 3640, 3920, 4459, 4589, 4942, 5096, 5488, 5648, 6370, 6860, 7060, 7280, 7840, 8918, 9178, 9884, 10192, 10976, 11296, 12355, 12740, 13720, 14120, 14560, 17297, 17836, 18356, 19768, 20384, 22295, 22945, 24710, 25480, 27440, 28240, 32123, 34594, 35672, 36712, 39536, 44590, 45890, 49420, 50960, 54880, 56480, 64246, 69188, 71344, 73424, 79072, 86485, 89180, 91780, 98840, 101920, 121079, 128492, 138376, 142688, 146848, 160615, 172970, 178360, 183560, 197680, 224861, 242158, 256984, 276752, 321230, 345940, 356720, 367120, 395360, 449722, 484316, 513968, 553504, 605395, 642460, 691880, 713440, 734240, 899444, 968632, 1027936, 1124305, 1210790, 1284920, 1383760, 1574027, 1798888, 1937264, 2248610, 2421580, 2569840, 2767520, 3148054, 3597776, 3874528, 4497220, 4843160, 5139680, 6296108, 7195552, 7870135, 8994440, 9686320, 12592216, 15740270, 17988880, 19372640, 25184432, 31480540, 35977760, 50368864, 62961080, 125922160, 251844320]

約数ペア:

[(1, 251844320), (2, 125922160), (4, 62961080), (5, 50368864), (7, 35977760), (8, 31480540), (10, 25184432), (13, 19372640), (14, 17988880), (16, 15740270), (20, 12592216), (26, 9686320), (28, 8994440), (32, 7870135), (35, 7195552), (40, 6296108), (49, 5139680), (52, 4843160), (56, 4497220), (65, 3874528), (70, 3597776), (80, 3148054), (91, 2767520), (98, 2569840), (104, 2421580), (112, 2248610), (130, 1937264), (140, 1798888), (160, 1574027), (182, 1383760), (196, 1284920), (208, 1210790), (224, 1124305), (245, 1027936), (260, 968632), (280, 899444), (343, 734240), (353, 713440), (364, 691880), (392, 642460), (416, 605395), (455, 553504), (490, 513968), (520, 484316), (560, 449722), (637, 395360), (686, 367120), (706, 356720), (728, 345940), (784, 321230), (910, 276752), (980, 256984), (1040, 242158), (1120, 224861), (1274, 197680), (1372, 183560), (1412, 178360), (1456, 172970), (1568, 160615), (1715, 146848), (1765, 142688), (1820, 138376), (1960, 128492), (2080, 121079), (2471, 101920), (2548, 98840), (2744, 91780), (2824, 89180), (2912, 86485), (3185, 79072), (3430, 73424), (3530, 71344), (3640, 69188), (3920, 64246), (4459, 56480), (4589, 54880), (4942, 50960), (5096, 49420), (5488, 45890), (5648, 44590), (6370, 39536), (6860, 36712), (7060, 35672), (7280, 34594), (7840, 32123), (8918, 28240), (9178, 27440), (9884, 25480), (10192, 24710), (10976, 22945), (11296, 22295), (12355, 20384), (12740, 19768), (13720, 18356), (14120, 17836), (14560, 17297)]