820267630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{39191}}^1$

素因数の和:39241

約数の個数: 64

約数和(自身を含む): 1896265728

約数和(自身を除く): 1075998098

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1610, 2093, 2990, 4186, 10465, 20930, 39191, 78382, 195955, 274337, 391910, 509483, 548674, 901393, 1018966, 1371685, 1802786, 2547415, 2743370, 3566381, 4506965, 5094830, 6309751, 7132762, 9013930, 11718109, 12619502, 17831905, 23436218, 31548755, 35663810, 58590545, 63097510, 82026763, 117181090, 164053526, 410133815, 820267630]

約数ペア:

[(1, 820267630), (2, 410133815), (5, 164053526), (7, 117181090), (10, 82026763), (13, 63097510), (14, 58590545), (23, 35663810), (26, 31548755), (35, 23436218), (46, 17831905), (65, 12619502), (70, 11718109), (91, 9013930), (115, 7132762), (130, 6309751), (161, 5094830), (182, 4506965), (230, 3566381), (299, 2743370), (322, 2547415), (455, 1802786), (598, 1371685), (805, 1018966), (910, 901393), (1495, 548674), (1610, 509483), (2093, 391910), (2990, 274337), (4186, 195955), (10465, 78382), (20930, 39191)]