78901250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 80

約数和(自身を含む): 161948160

約数和(自身を除く): 83046910

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 79, 85, 94, 125, 158, 170, 235, 250, 395, 425, 470, 625, 790, 799, 850, 1175, 1250, 1343, 1598, 1975, 2125, 2350, 2686, 3713, 3950, 3995, 4250, 5875, 6715, 7426, 7990, 9875, 10625, 11750, 13430, 18565, 19750, 19975, 21250, 29375, 33575, 37130, 39950, 49375, 58750, 63121, 67150, 92825, 98750, 99875, 126242, 167875, 185650, 199750, 315605, 335750, 464125, 499375, 631210, 839375, 928250, 998750, 1578025, 1678750, 2320625, 3156050, 4641250, 7890125, 15780250, 39450625, 78901250]

約数ペア:

[(1, 78901250), (2, 39450625), (5, 15780250), (10, 7890125), (17, 4641250), (25, 3156050), (34, 2320625), (47, 1678750), (50, 1578025), (79, 998750), (85, 928250), (94, 839375), (125, 631210), (158, 499375), (170, 464125), (235, 335750), (250, 315605), (395, 199750), (425, 185650), (470, 167875), (625, 126242), (790, 99875), (799, 98750), (850, 92825), (1175, 67150), (1250, 63121), (1343, 58750), (1598, 49375), (1975, 39950), (2125, 37130), (2350, 33575), (2686, 29375), (3713, 21250), (3950, 19975), (3995, 19750), (4250, 18565), (5875, 13430), (6715, 11750), (7426, 10625), (7990, 9875)]