31539430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^2$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 64930320

約数和(自身を除く): 33390890

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 113, 130, 190, 226, 247, 494, 565, 1130, 1235, 1469, 2147, 2470, 2938, 4294, 7345, 10735, 12769, 14690, 21470, 25538, 27911, 55822, 63845, 127690, 139555, 165997, 242611, 279110, 331994, 485222, 829985, 1213055, 1659970, 2426110, 3153943, 6307886, 15769715, 31539430]

約数ペア:

[(1, 31539430), (2, 15769715), (5, 6307886), (10, 3153943), (13, 2426110), (19, 1659970), (26, 1213055), (38, 829985), (65, 485222), (95, 331994), (113, 279110), (130, 242611), (190, 165997), (226, 139555), (247, 127690), (494, 63845), (565, 55822), (1130, 27911), (1235, 25538), (1469, 21470), (2147, 14690), (2470, 12769), (2938, 10735), (4294, 7345)]