51379300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 72

約数和(自身を含む): 131866560

約数和(自身を除く): 80487260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2531, 2900, 4060, 5062, 5075, 10124, 10150, 12655, 17717, 20300, 25310, 35434, 50620, 63275, 70868, 73399, 88585, 126550, 146798, 177170, 253100, 293596, 354340, 366995, 442925, 513793, 733990, 885850, 1027586, 1467980, 1771700, 1834975, 2055172, 2568965, 3669950, 5137930, 7339900, 10275860, 12844825, 25689650, 51379300]

約数ペア:

[(1, 51379300), (2, 25689650), (4, 12844825), (5, 10275860), (7, 7339900), (10, 5137930), (14, 3669950), (20, 2568965), (25, 2055172), (28, 1834975), (29, 1771700), (35, 1467980), (50, 1027586), (58, 885850), (70, 733990), (100, 513793), (116, 442925), (140, 366995), (145, 354340), (175, 293596), (203, 253100), (290, 177170), (350, 146798), (406, 126550), (580, 88585), (700, 73399), (725, 70868), (812, 63275), (1015, 50620), (1450, 35434), (2030, 25310), (2531, 20300), (2900, 17717), (4060, 12655), (5062, 10150), (5075, 10124)]