713851580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{7867}}^1$

素因数の和:8238

約数の個数: 48

約数和(自身を含む): 1619234400

約数和(自身を除く): 905382820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 4537, 6980, 7867, 9074, 15734, 18148, 22685, 31468, 39335, 45370, 78670, 90740, 102271, 157340, 204542, 409084, 511355, 1022710, 2045420, 2745583, 5491166, 10982332, 13727915, 27455830, 35692579, 54911660, 71385158, 142770316, 178462895, 356925790, 713851580]

約数ペア:

[(1, 713851580), (2, 356925790), (4, 178462895), (5, 142770316), (10, 71385158), (13, 54911660), (20, 35692579), (26, 27455830), (52, 13727915), (65, 10982332), (130, 5491166), (260, 2745583), (349, 2045420), (698, 1022710), (1396, 511355), (1745, 409084), (3490, 204542), (4537, 157340), (6980, 102271), (7867, 90740), (9074, 78670), (15734, 45370), (18148, 39335), (22685, 31468)]