17501540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{839}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 24834460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 839, 1043, 1490, 1678, 2086, 2980, 3356, 4172, 4195, 5215, 5873, 8390, 10430, 11746, 16780, 20860, 23492, 29365, 58730, 117460, 125011, 250022, 500044, 625055, 875077, 1250110, 1750154, 2500220, 3500308, 4375385, 8750770, 17501540]

約数ペア:

[(1, 17501540), (2, 8750770), (4, 4375385), (5, 3500308), (7, 2500220), (10, 1750154), (14, 1250110), (20, 875077), (28, 625055), (35, 500044), (70, 250022), (140, 125011), (149, 117460), (298, 58730), (596, 29365), (745, 23492), (839, 20860), (1043, 16780), (1490, 11746), (1678, 10430), (2086, 8390), (2980, 5873), (3356, 5215), (4172, 4195)]