490039420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4973}}^1$

素因数の和:5374

約数の個数: 48

約数和(自身を含む): 1111390560

約数和(自身を除く): 621351140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 4973, 7580, 9854, 9946, 19708, 19892, 24635, 24865, 49270, 49730, 64649, 98540, 99460, 129298, 258596, 323245, 646490, 1292980, 1884767, 3769534, 7539068, 9423835, 18847670, 24501971, 37695340, 49003942, 98007884, 122509855, 245019710, 490039420]

約数ペア:

[(1, 490039420), (2, 245019710), (4, 122509855), (5, 98007884), (10, 49003942), (13, 37695340), (20, 24501971), (26, 18847670), (52, 9423835), (65, 7539068), (130, 3769534), (260, 1884767), (379, 1292980), (758, 646490), (1516, 323245), (1895, 258596), (3790, 129298), (4927, 99460), (4973, 98540), (7580, 64649), (9854, 49730), (9946, 49270), (19708, 24865), (19892, 24635)]