142757420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^2$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 333308976

約数和(自身を除く): 190551556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 113, 130, 172, 215, 226, 260, 430, 452, 559, 565, 860, 1118, 1130, 1469, 2236, 2260, 2795, 2938, 4859, 5590, 5876, 7345, 9718, 11180, 12769, 14690, 19436, 24295, 25538, 29380, 48590, 51076, 63167, 63845, 97180, 126334, 127690, 165997, 252668, 255380, 315835, 331994, 549067, 631670, 663988, 829985, 1098134, 1263340, 1659970, 2196268, 2745335, 3319940, 5490670, 7137871, 10981340, 14275742, 28551484, 35689355, 71378710, 142757420]

約数ペア:

[(1, 142757420), (2, 71378710), (4, 35689355), (5, 28551484), (10, 14275742), (13, 10981340), (20, 7137871), (26, 5490670), (43, 3319940), (52, 2745335), (65, 2196268), (86, 1659970), (113, 1263340), (130, 1098134), (172, 829985), (215, 663988), (226, 631670), (260, 549067), (430, 331994), (452, 315835), (559, 255380), (565, 252668), (860, 165997), (1118, 127690), (1130, 126334), (1469, 97180), (2236, 63845), (2260, 63167), (2795, 51076), (2938, 48590), (4859, 29380), (5590, 25538), (5876, 24295), (7345, 19436), (9718, 14690), (11180, 12769)]