66522890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 140049000

約数和(自身を除く): 73526110

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 349, 389, 490, 698, 778, 1745, 1945, 2443, 2723, 3490, 3890, 4886, 5446, 12215, 13615, 17101, 19061, 24430, 27230, 34202, 38122, 85505, 95305, 135761, 171010, 190610, 271522, 678805, 950327, 1357610, 1900654, 4751635, 6652289, 9503270, 13304578, 33261445, 66522890]

約数ペア:

[(1, 66522890), (2, 33261445), (5, 13304578), (7, 9503270), (10, 6652289), (14, 4751635), (35, 1900654), (49, 1357610), (70, 950327), (98, 678805), (245, 271522), (349, 190610), (389, 171010), (490, 135761), (698, 95305), (778, 85505), (1745, 38122), (1945, 34202), (2443, 27230), (2723, 24430), (3490, 19061), (3890, 17101), (4886, 13615), (5446, 12215)]