13621580

素因数分解:

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

素因数の和:818

約数の個数: 48

約数和(自身を含む): 32961600

約数和(自身を除く): 19340020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 653, 745, 1043, 1306, 1490, 2086, 2612, 2980, 3265, 4172, 4571, 5215, 6530, 9142, 10430, 13060, 18284, 20860, 22855, 45710, 91420, 97297, 194594, 389188, 486485, 681079, 972970, 1362158, 1945940, 2724316, 3405395, 6810790, 13621580]

約数ペア:

[(1, 13621580), (2, 6810790), (4, 3405395), (5, 2724316), (7, 1945940), (10, 1362158), (14, 972970), (20, 681079), (28, 486485), (35, 389188), (70, 194594), (140, 97297), (149, 91420), (298, 45710), (596, 22855), (653, 20860), (745, 18284), (1043, 13060), (1306, 10430), (1490, 9142), (2086, 6530), (2612, 5215), (2980, 4571), (3265, 4172)]