28127173540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1\times {\mathrm{23063}}^1$

素因数の和:23317

約数の個数: 72

約数和(自身を含む): 63046089792

約数和(自身を除く): 34918916252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 289, 340, 422, 578, 844, 1055, 1156, 1445, 2110, 2890, 3587, 4220, 5780, 7174, 14348, 17935, 23063, 35870, 46126, 60979, 71740, 92252, 115315, 121958, 230630, 243916, 304895, 392071, 461260, 609790, 784142, 1219580, 1568284, 1960355, 3920710, 4866293, 6665207, 7841420, 9732586, 13330414, 19465172, 24331465, 26660828, 33326035, 48662930, 66652070, 82726981, 97325860, 133304140, 165453962, 330907924, 413634905, 827269810, 1406358677, 1654539620, 2812717354, 5625434708, 7031793385, 14063586770, 28127173540]

約数ペア:

[(1, 28127173540), (2, 14063586770), (4, 7031793385), (5, 5625434708), (10, 2812717354), (17, 1654539620), (20, 1406358677), (34, 827269810), (68, 413634905), (85, 330907924), (170, 165453962), (211, 133304140), (289, 97325860), (340, 82726981), (422, 66652070), (578, 48662930), (844, 33326035), (1055, 26660828), (1156, 24331465), (1445, 19465172), (2110, 13330414), (2890, 9732586), (3587, 7841420), (4220, 6665207), (5780, 4866293), (7174, 3920710), (14348, 1960355), (17935, 1568284), (23063, 1219580), (35870, 784142), (46126, 609790), (60979, 461260), (71740, 392071), (92252, 304895), (115315, 243916), (121958, 230630)]