239207780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{55117}}^1$

素因数の和:55164

約数の個数: 48

約数和(自身を含む): 592628736

約数和(自身を除く): 353420956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 55117, 110234, 220468, 275585, 385819, 551170, 771638, 1102340, 1543276, 1708627, 1929095, 3417254, 3858190, 6834508, 7716380, 8543135, 11960389, 17086270, 23920778, 34172540, 47841556, 59801945, 119603890, 239207780]

約数ペア:

[(1, 239207780), (2, 119603890), (4, 59801945), (5, 47841556), (7, 34172540), (10, 23920778), (14, 17086270), (20, 11960389), (28, 8543135), (31, 7716380), (35, 6834508), (62, 3858190), (70, 3417254), (124, 1929095), (140, 1708627), (155, 1543276), (217, 1102340), (310, 771638), (434, 551170), (620, 385819), (868, 275585), (1085, 220468), (2170, 110234), (4340, 55117)]