398361160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2843}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 933742080

約数和(自身を除く): 535380920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1240, 2260, 2843, 3503, 4520, 5686, 7006, 11372, 14012, 14215, 17515, 22744, 28024, 28430, 35030, 56860, 70060, 88133, 113720, 140120, 176266, 321259, 352532, 440665, 642518, 705064, 881330, 1285036, 1606295, 1762660, 2570072, 3212590, 3525320, 6425180, 9959029, 12850360, 19918058, 39836116, 49795145, 79672232, 99590290, 199180580, 398361160]

約数ペア:

[(1, 398361160), (2, 199180580), (4, 99590290), (5, 79672232), (8, 49795145), (10, 39836116), (20, 19918058), (31, 12850360), (40, 9959029), (62, 6425180), (113, 3525320), (124, 3212590), (155, 2570072), (226, 1762660), (248, 1606295), (310, 1285036), (452, 881330), (565, 705064), (620, 642518), (904, 440665), (1130, 352532), (1240, 321259), (2260, 176266), (2843, 140120), (3503, 113720), (4520, 88133), (5686, 70060), (7006, 56860), (11372, 35030), (14012, 28430), (14215, 28024), (17515, 22744)]