210814520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1153}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 543395520

約数和(自身を除く): 332581000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 653, 1153, 1306, 2306, 2612, 3265, 4571, 4612, 5224, 5765, 6530, 8071, 9142, 9224, 11530, 13060, 16142, 18284, 22855, 23060, 26120, 32284, 36568, 40355, 45710, 46120, 64568, 80710, 91420, 161420, 182840, 322840, 752909, 1505818, 3011636, 3764545, 5270363, 6023272, 7529090, 10540726, 15058180, 21081452, 26351815, 30116360, 42162904, 52703630, 105407260, 210814520]

約数ペア:

[(1, 210814520), (2, 105407260), (4, 52703630), (5, 42162904), (7, 30116360), (8, 26351815), (10, 21081452), (14, 15058180), (20, 10540726), (28, 7529090), (35, 6023272), (40, 5270363), (56, 3764545), (70, 3011636), (140, 1505818), (280, 752909), (653, 322840), (1153, 182840), (1306, 161420), (2306, 91420), (2612, 80710), (3265, 64568), (4571, 46120), (4612, 45710), (5224, 40355), (5765, 36568), (6530, 32284), (8071, 26120), (9142, 23060), (9224, 22855), (11530, 18284), (13060, 16142)]