40864740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 131846400

約数和(自身を除く): 90981660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 653, 745, 894, 1043, 1306, 1490, 1788, 1959, 2086, 2235, 2612, 2980, 3129, 3265, 3918, 4172, 4470, 4571, 5215, 6258, 6530, 7836, 8940, 9142, 9795, 10430, 12516, 13060, 13713, 15645, 18284, 19590, 20860, 22855, 27426, 31290, 39180, 45710, 54852, 62580, 68565, 91420, 97297, 137130, 194594, 274260, 291891, 389188, 486485, 583782, 681079, 972970, 1167564, 1362158, 1459455, 1945940, 2043237, 2724316, 2918910, 3405395, 4086474, 5837820, 6810790, 8172948, 10216185, 13621580, 20432370, 40864740]

約数ペア:

[(1, 40864740), (2, 20432370), (3, 13621580), (4, 10216185), (5, 8172948), (6, 6810790), (7, 5837820), (10, 4086474), (12, 3405395), (14, 2918910), (15, 2724316), (20, 2043237), (21, 1945940), (28, 1459455), (30, 1362158), (35, 1167564), (42, 972970), (60, 681079), (70, 583782), (84, 486485), (105, 389188), (140, 291891), (149, 274260), (210, 194594), (298, 137130), (420, 97297), (447, 91420), (596, 68565), (653, 62580), (745, 54852), (894, 45710), (1043, 39180), (1306, 31290), (1490, 27426), (1788, 22855), (1959, 20860), (2086, 19590), (2235, 18284), (2612, 15645), (2980, 13713), (3129, 13060), (3265, 12516), (3918, 10430), (4172, 9795), (4470, 9142), (4571, 8940), (5215, 7836), (6258, 6530)]