138673860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177787}}^1$

素因数の和:177812

約数の個数: 48

約数和(自身を含む): 418157376

約数和(自身を除く): 279483516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177787, 355574, 533361, 711148, 888935, 1066722, 1777870, 2133444, 2311231, 2666805, 3555740, 4622462, 5333610, 6933693, 9244924, 10667220, 11556155, 13867386, 23112310, 27734772, 34668465, 46224620, 69336930, 138673860]

約数ペア:

[(1, 138673860), (2, 69336930), (3, 46224620), (4, 34668465), (5, 27734772), (6, 23112310), (10, 13867386), (12, 11556155), (13, 10667220), (15, 9244924), (20, 6933693), (26, 5333610), (30, 4622462), (39, 3555740), (52, 2666805), (60, 2311231), (65, 2133444), (78, 1777870), (130, 1066722), (156, 888935), (195, 711148), (260, 533361), (390, 355574), (780, 177787)]