72402890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{147761}}^1$

素因数の和:147782

約数の個数: 24

約数和(自身を含む): 151603812

約数和(自身を除く): 79200922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 147761, 295522, 738805, 1034327, 1477610, 2068654, 5171635, 7240289, 10343270, 14480578, 36201445, 72402890]

約数ペア:

[(1, 72402890), (2, 36201445), (5, 14480578), (7, 10343270), (10, 7240289), (14, 5171635), (35, 2068654), (49, 1477610), (70, 1034327), (98, 738805), (245, 295522), (490, 147761)]