420213310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11881

約数の個数: 64

約数和(自身を含む): 919745280

約数和(自身を除く): 499531970

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 55, 85, 95, 110, 170, 187, 190, 209, 323, 374, 418, 646, 935, 1045, 1615, 1870, 2090, 3230, 3553, 7106, 11827, 17765, 23654, 35530, 59135, 118270, 130097, 201059, 224713, 260194, 402118, 449426, 650485, 1005295, 1123565, 1300970, 2010590, 2211649, 2247130, 2471843, 3820121, 4423298, 4943686, 7640242, 11058245, 12359215, 19100605, 22116490, 24718430, 38201210, 42021331, 84042662, 210106655, 420213310]

約数ペア:

[(1, 420213310), (2, 210106655), (5, 84042662), (10, 42021331), (11, 38201210), (17, 24718430), (19, 22116490), (22, 19100605), (34, 12359215), (38, 11058245), (55, 7640242), (85, 4943686), (95, 4423298), (110, 3820121), (170, 2471843), (187, 2247130), (190, 2211649), (209, 2010590), (323, 1300970), (374, 1123565), (418, 1005295), (646, 650485), (935, 449426), (1045, 402118), (1615, 260194), (1870, 224713), (2090, 201059), (3230, 130097), (3553, 118270), (7106, 59135), (11827, 35530), (17765, 23654)]