342550

素因数分解:

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

素因数の和:73

約数の個数: 48

約数和(自身を含む): 749952

約数和(自身を除く): 407402

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 130, 155, 170, 221, 310, 325, 403, 425, 442, 527, 650, 775, 806, 850, 1054, 1105, 1550, 2015, 2210, 2635, 4030, 5270, 5525, 6851, 10075, 11050, 13175, 13702, 20150, 26350, 34255, 68510, 171275, 342550]

約数ペア:

[(1, 342550), (2, 171275), (5, 68510), (10, 34255), (13, 26350), (17, 20150), (25, 13702), (26, 13175), (31, 11050), (34, 10075), (50, 6851), (62, 5525), (65, 5270), (85, 4030), (130, 2635), (155, 2210), (170, 2015), (221, 1550), (310, 1105), (325, 1054), (403, 850), (425, 806), (442, 775), (527, 650)]