84688660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 124451180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 839, 980, 1030, 1442, 1678, 2060, 2884, 3356, 3605, 4195, 5047, 5873, 7210, 8390, 10094, 11746, 14420, 16780, 20188, 23492, 25235, 29365, 41111, 50470, 58730, 82222, 86417, 100940, 117460, 164444, 172834, 205555, 345668, 411110, 432085, 604919, 822220, 864170, 1209838, 1728340, 2419676, 3024595, 4234433, 6049190, 8468866, 12098380, 16937732, 21172165, 42344330, 84688660]

約数ペア:

[(1, 84688660), (2, 42344330), (4, 21172165), (5, 16937732), (7, 12098380), (10, 8468866), (14, 6049190), (20, 4234433), (28, 3024595), (35, 2419676), (49, 1728340), (70, 1209838), (98, 864170), (103, 822220), (140, 604919), (196, 432085), (206, 411110), (245, 345668), (412, 205555), (490, 172834), (515, 164444), (721, 117460), (839, 100940), (980, 86417), (1030, 82222), (1442, 58730), (1678, 50470), (2060, 41111), (2884, 29365), (3356, 25235), (3605, 23492), (4195, 20188), (5047, 16780), (5873, 14420), (7210, 11746), (8390, 10094)]