168275940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400657}}^1$

素因数の和:400676

約数の個数: 48

約数和(自身を含む): 538484352

約数和(自身を除く): 370208412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 400657, 801314, 1201971, 1602628, 2003285, 2403942, 2804599, 4006570, 4807884, 5609198, 6009855, 8013140, 8413797, 11218396, 12019710, 14022995, 16827594, 24039420, 28045990, 33655188, 42068985, 56091980, 84137970, 168275940]

約数ペア:

[(1, 168275940), (2, 84137970), (3, 56091980), (4, 42068985), (5, 33655188), (6, 28045990), (7, 24039420), (10, 16827594), (12, 14022995), (14, 12019710), (15, 11218396), (20, 8413797), (21, 8013140), (28, 6009855), (30, 5609198), (35, 4807884), (42, 4006570), (60, 2804599), (70, 2403942), (84, 2003285), (105, 1602628), (140, 1201971), (210, 801314), (420, 400657)]