7891400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 21293280

約数和(自身を除く): 13401880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 136, 170, 187, 200, 211, 220, 275, 340, 374, 422, 425, 440, 550, 680, 748, 844, 850, 935, 1055, 1100, 1496, 1688, 1700, 1870, 2110, 2200, 2321, 3400, 3587, 3740, 4220, 4642, 4675, 5275, 7174, 7480, 8440, 9284, 9350, 10550, 11605, 14348, 17935, 18568, 18700, 21100, 23210, 28696, 35870, 37400, 39457, 42200, 46420, 58025, 71740, 78914, 89675, 92840, 116050, 143480, 157828, 179350, 197285, 232100, 315656, 358700, 394570, 464200, 717400, 789140, 986425, 1578280, 1972850, 3945700, 7891400]

約数ペア:

[(1, 7891400), (2, 3945700), (4, 1972850), (5, 1578280), (8, 986425), (10, 789140), (11, 717400), (17, 464200), (20, 394570), (22, 358700), (25, 315656), (34, 232100), (40, 197285), (44, 179350), (50, 157828), (55, 143480), (68, 116050), (85, 92840), (88, 89675), (100, 78914), (110, 71740), (136, 58025), (170, 46420), (187, 42200), (200, 39457), (211, 37400), (220, 35870), (275, 28696), (340, 23210), (374, 21100), (422, 18700), (425, 18568), (440, 17935), (550, 14348), (680, 11605), (748, 10550), (844, 9350), (850, 9284), (935, 8440), (1055, 7480), (1100, 7174), (1496, 5275), (1688, 4675), (1700, 4642), (1870, 4220), (2110, 3740), (2200, 3587), (2321, 3400)]