239716490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3567

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 268315510

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1054, 1105, 2015, 2210, 2635, 3499, 4030, 5270, 6851, 6998, 13702, 17495, 34255, 34990, 45487, 59483, 68510, 90974, 108469, 118966, 216938, 227435, 297415, 454870, 542345, 594830, 773279, 1084690, 1410097, 1546558, 1843973, 2820194, 3687946, 3866395, 7050485, 7732790, 9219865, 14100970, 18439730, 23971649, 47943298, 119858245, 239716490]

約数ペア:

[(1, 239716490), (2, 119858245), (5, 47943298), (10, 23971649), (13, 18439730), (17, 14100970), (26, 9219865), (31, 7732790), (34, 7050485), (62, 3866395), (65, 3687946), (85, 2820194), (130, 1843973), (155, 1546558), (170, 1410097), (221, 1084690), (310, 773279), (403, 594830), (442, 542345), (527, 454870), (806, 297415), (1054, 227435), (1105, 216938), (2015, 118966), (2210, 108469), (2635, 90974), (3499, 68510), (4030, 59483), (5270, 45487), (6851, 34990), (6998, 34255), (13702, 17495)]