171291260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{631}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 420616224

約数和(自身を除く): 249324964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 277, 490, 554, 631, 980, 1108, 1262, 1385, 1939, 2524, 2770, 3155, 3878, 4417, 5540, 6310, 7756, 8834, 9695, 12620, 13573, 17668, 19390, 22085, 27146, 30919, 38780, 44170, 54292, 61838, 67865, 88340, 123676, 135730, 154595, 174787, 271460, 309190, 349574, 618380, 699148, 873935, 1223509, 1747870, 2447018, 3495740, 4894036, 6117545, 8564563, 12235090, 17129126, 24470180, 34258252, 42822815, 85645630, 171291260]

約数ペア:

[(1, 171291260), (2, 85645630), (4, 42822815), (5, 34258252), (7, 24470180), (10, 17129126), (14, 12235090), (20, 8564563), (28, 6117545), (35, 4894036), (49, 3495740), (70, 2447018), (98, 1747870), (140, 1223509), (196, 873935), (245, 699148), (277, 618380), (490, 349574), (554, 309190), (631, 271460), (980, 174787), (1108, 154595), (1262, 135730), (1385, 123676), (1939, 88340), (2524, 67865), (2770, 61838), (3155, 54292), (3878, 44170), (4417, 38780), (5540, 30919), (6310, 27146), (7756, 22085), (8834, 19390), (9695, 17668), (12620, 13573)]