281318170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 594210816

約数和(自身を除く): 312892646

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 191, 265, 371, 382, 397, 530, 742, 794, 955, 1337, 1855, 1910, 1985, 2674, 2779, 3710, 3970, 5558, 6685, 10123, 13370, 13895, 20246, 21041, 27790, 42082, 50615, 70861, 75827, 101230, 105205, 141722, 147287, 151654, 210410, 294574, 354305, 379135, 530789, 708610, 736435, 758270, 1061578, 1472870, 2653945, 4018831, 5307890, 8037662, 20094155, 28131817, 40188310, 56263634, 140659085, 281318170]

約数ペア:

[(1, 281318170), (2, 140659085), (5, 56263634), (7, 40188310), (10, 28131817), (14, 20094155), (35, 8037662), (53, 5307890), (70, 4018831), (106, 2653945), (191, 1472870), (265, 1061578), (371, 758270), (382, 736435), (397, 708610), (530, 530789), (742, 379135), (794, 354305), (955, 294574), (1337, 210410), (1855, 151654), (1910, 147287), (1985, 141722), (2674, 105205), (2779, 101230), (3710, 75827), (3970, 70861), (5558, 50615), (6685, 42082), (10123, 27790), (13370, 21041), (13895, 20246)]