218315890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 448963200

約数和(自身を除く): 230647310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 523, 845, 1046, 1235, 1690, 2197, 2470, 2615, 3211, 4394, 5230, 6422, 6799, 9937, 10985, 13598, 16055, 19874, 21970, 32110, 33995, 41743, 49685, 67990, 83486, 88387, 99370, 129181, 176774, 208715, 258362, 417430, 441935, 645905, 883870, 1149031, 1291810, 1679353, 2298062, 3358706, 5745155, 8396765, 11490310, 16793530, 21831589, 43663178, 109157945, 218315890]

約数ペア:

[(1, 218315890), (2, 109157945), (5, 43663178), (10, 21831589), (13, 16793530), (19, 11490310), (26, 8396765), (38, 5745155), (65, 3358706), (95, 2298062), (130, 1679353), (169, 1291810), (190, 1149031), (247, 883870), (338, 645905), (494, 441935), (523, 417430), (845, 258362), (1046, 208715), (1235, 176774), (1690, 129181), (2197, 99370), (2470, 88387), (2615, 83486), (3211, 67990), (4394, 49685), (5230, 41743), (6422, 33995), (6799, 32110), (9937, 21970), (10985, 19874), (13598, 16055)]