29987320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 82425600

約数和(自身を除く): 52438280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 209, 211, 220, 323, 340, 374, 380, 418, 422, 440, 646, 680, 748, 760, 836, 844, 935, 1045, 1055, 1292, 1496, 1615, 1672, 1688, 1870, 2090, 2110, 2321, 2584, 3230, 3553, 3587, 3740, 4009, 4180, 4220, 4642, 6460, 7106, 7174, 7480, 8018, 8360, 8440, 9284, 11605, 12920, 14212, 14348, 16036, 17765, 17935, 18568, 20045, 23210, 28424, 28696, 32072, 35530, 35870, 39457, 40090, 44099, 46420, 68153, 71060, 71740, 78914, 80180, 88198, 92840, 136306, 142120, 143480, 157828, 160360, 176396, 197285, 220495, 272612, 315656, 340765, 352792, 394570, 440990, 545224, 681530, 749683, 789140, 881980, 1363060, 1499366, 1578280, 1763960, 2726120, 2998732, 3748415, 5997464, 7496830, 14993660, 29987320]

約数ペア:

[(1, 29987320), (2, 14993660), (4, 7496830), (5, 5997464), (8, 3748415), (10, 2998732), (11, 2726120), (17, 1763960), (19, 1578280), (20, 1499366), (22, 1363060), (34, 881980), (38, 789140), (40, 749683), (44, 681530), (55, 545224), (68, 440990), (76, 394570), (85, 352792), (88, 340765), (95, 315656), (110, 272612), (136, 220495), (152, 197285), (170, 176396), (187, 160360), (190, 157828), (209, 143480), (211, 142120), (220, 136306), (323, 92840), (340, 88198), (374, 80180), (380, 78914), (418, 71740), (422, 71060), (440, 68153), (646, 46420), (680, 44099), (748, 40090), (760, 39457), (836, 35870), (844, 35530), (935, 32072), (1045, 28696), (1055, 28424), (1292, 23210), (1496, 20045), (1615, 18568), (1672, 17935), (1688, 17765), (1870, 16036), (2090, 14348), (2110, 14212), (2321, 12920), (2584, 11605), (3230, 9284), (3553, 8440), (3587, 8360), (3740, 8018), (4009, 7480), (4180, 7174), (4220, 7106), (4642, 6460)]