254869600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 659957760

約数和(自身を除く): 405088160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 80, 86, 100, 124, 155, 160, 172, 200, 215, 239, 248, 310, 344, 400, 430, 478, 496, 620, 688, 775, 800, 860, 956, 992, 1075, 1195, 1240, 1333, 1376, 1550, 1720, 1912, 2150, 2390, 2480, 2666, 3100, 3440, 3824, 4300, 4780, 4960, 5332, 5975, 6200, 6665, 6880, 7409, 7648, 8600, 9560, 10277, 10664, 11950, 12400, 13330, 14818, 17200, 19120, 20554, 21328, 23900, 24800, 26660, 29636, 33325, 34400, 37045, 38240, 41108, 42656, 47800, 51385, 53320, 59272, 66650, 74090, 82216, 95600, 102770, 106640, 118544, 133300, 148180, 164432, 185225, 191200, 205540, 213280, 237088, 256925, 266600, 296360, 318587, 328864, 370450, 411080, 513850, 533200, 592720, 637174, 740900, 822160, 1027700, 1066400, 1185440, 1274348, 1481800, 1592935, 1644320, 2055400, 2548696, 2963600, 3185870, 4110800, 5097392, 5927200, 6371740, 7964675, 8221600, 10194784, 12743480, 15929350, 25486960, 31858700, 50973920, 63717400, 127434800, 254869600]

約数ペア:

[(1, 254869600), (2, 127434800), (4, 63717400), (5, 50973920), (8, 31858700), (10, 25486960), (16, 15929350), (20, 12743480), (25, 10194784), (31, 8221600), (32, 7964675), (40, 6371740), (43, 5927200), (50, 5097392), (62, 4110800), (80, 3185870), (86, 2963600), (100, 2548696), (124, 2055400), (155, 1644320), (160, 1592935), (172, 1481800), (200, 1274348), (215, 1185440), (239, 1066400), (248, 1027700), (310, 822160), (344, 740900), (400, 637174), (430, 592720), (478, 533200), (496, 513850), (620, 411080), (688, 370450), (775, 328864), (800, 318587), (860, 296360), (956, 266600), (992, 256925), (1075, 237088), (1195, 213280), (1240, 205540), (1333, 191200), (1376, 185225), (1550, 164432), (1720, 148180), (1912, 133300), (2150, 118544), (2390, 106640), (2480, 102770), (2666, 95600), (3100, 82216), (3440, 74090), (3824, 66650), (4300, 59272), (4780, 53320), (4960, 51385), (5332, 47800), (5975, 42656), (6200, 41108), (6665, 38240), (6880, 37045), (7409, 34400), (7648, 33325), (8600, 29636), (9560, 26660), (10277, 24800), (10664, 23900), (11950, 21328), (12400, 20554), (13330, 19120), (14818, 17200)]