2131870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 48

約数和(自身を含む): 4459392

約数和(自身を除く): 2327522

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 299, 310, 403, 529, 598, 713, 806, 1058, 1426, 1495, 2015, 2645, 2990, 3565, 4030, 5290, 6877, 7130, 9269, 13754, 16399, 18538, 32798, 34385, 46345, 68770, 81995, 92690, 163990, 213187, 426374, 1065935, 2131870]

約数ペア:

[(1, 2131870), (2, 1065935), (5, 426374), (10, 213187), (13, 163990), (23, 92690), (26, 81995), (31, 68770), (46, 46345), (62, 34385), (65, 32798), (115, 18538), (130, 16399), (155, 13754), (230, 9269), (299, 7130), (310, 6877), (403, 5290), (529, 4030), (598, 3565), (713, 2990), (806, 2645), (1058, 2015), (1426, 1495)]