153989420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 362471760

約数和(自身を除く): 208482340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 754, 845, 1508, 1571, 1690, 1885, 3142, 3380, 3770, 4901, 6284, 7540, 7855, 9802, 15710, 19604, 20423, 24505, 31420, 40846, 45559, 49010, 81692, 91118, 98020, 102115, 182236, 204230, 227795, 265499, 408460, 455590, 530998, 592267, 911180, 1061996, 1184534, 1327495, 2369068, 2654990, 2961335, 5309980, 5922670, 7699471, 11845340, 15398942, 30797884, 38497355, 76994710, 153989420]

約数ペア:

[(1, 153989420), (2, 76994710), (4, 38497355), (5, 30797884), (10, 15398942), (13, 11845340), (20, 7699471), (26, 5922670), (29, 5309980), (52, 2961335), (58, 2654990), (65, 2369068), (116, 1327495), (130, 1184534), (145, 1061996), (169, 911180), (260, 592267), (290, 530998), (338, 455590), (377, 408460), (580, 265499), (676, 227795), (754, 204230), (845, 182236), (1508, 102115), (1571, 98020), (1690, 91118), (1885, 81692), (3142, 49010), (3380, 45559), (3770, 40846), (4901, 31420), (6284, 24505), (7540, 20423), (7855, 19604), (9802, 15710)]