1687788340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{15241}}^1$

素因数の和:15377

約数の個数: 72

約数和(自身を含む): 4159785672

約数和(自身を除く): 2471997332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 5537, 7910, 11074, 15241, 15820, 22148, 27685, 30482, 55370, 60964, 76205, 106687, 110740, 152410, 213374, 304820, 426748, 533435, 746809, 1066870, 1493618, 1722233, 2133740, 2987236, 3444466, 3734045, 6888932, 7468090, 8611165, 12055631, 14936180, 17222330, 24111262, 34444660, 48222524, 60278155, 84389417, 120556310, 168778834, 241112620, 337557668, 421947085, 843894170, 1687788340]

約数ペア:

[(1, 1687788340), (2, 843894170), (4, 421947085), (5, 337557668), (7, 241112620), (10, 168778834), (14, 120556310), (20, 84389417), (28, 60278155), (35, 48222524), (49, 34444660), (70, 24111262), (98, 17222330), (113, 14936180), (140, 12055631), (196, 8611165), (226, 7468090), (245, 6888932), (452, 3734045), (490, 3444466), (565, 2987236), (791, 2133740), (980, 1722233), (1130, 1493618), (1582, 1066870), (2260, 746809), (3164, 533435), (3955, 426748), (5537, 304820), (7910, 213374), (11074, 152410), (15241, 110740), (15820, 106687), (22148, 76205), (27685, 60964), (30482, 55370)]