256528090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 571253760

約数和(自身を除く): 314725670

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 229, 455, 458, 910, 1145, 1231, 1603, 2290, 2462, 2977, 3206, 5954, 6155, 8015, 8617, 12310, 14885, 16003, 16030, 17234, 20839, 29770, 32006, 41678, 43085, 80015, 86170, 104195, 112021, 160030, 208390, 224042, 281899, 560105, 563798, 1120210, 1409495, 1973293, 2818990, 3664687, 3946586, 7329374, 9866465, 18323435, 19732930, 25652809, 36646870, 51305618, 128264045, 256528090]

約数ペア:

[(1, 256528090), (2, 128264045), (5, 51305618), (7, 36646870), (10, 25652809), (13, 19732930), (14, 18323435), (26, 9866465), (35, 7329374), (65, 3946586), (70, 3664687), (91, 2818990), (130, 1973293), (182, 1409495), (229, 1120210), (455, 563798), (458, 560105), (910, 281899), (1145, 224042), (1231, 208390), (1603, 160030), (2290, 112021), (2462, 104195), (2977, 86170), (3206, 80015), (5954, 43085), (6155, 41678), (8015, 32006), (8617, 29770), (12310, 20839), (14885, 17234), (16003, 16030)]