397464570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{490697}}^1$

素因数の和:490716

約数の個数: 40

約数和(自身を含む): 1068740244

約数和(自身を除く): 671275674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 490697, 981394, 1472091, 2453485, 2944182, 4416273, 4906970, 7360455, 8832546, 13248819, 14720910, 22081365, 26497638, 39746457, 44162730, 66244095, 79492914, 132488190, 198732285, 397464570]

約数ペア:

[(1, 397464570), (2, 198732285), (3, 132488190), (5, 79492914), (6, 66244095), (9, 44162730), (10, 39746457), (15, 26497638), (18, 22081365), (27, 14720910), (30, 13248819), (45, 8832546), (54, 7360455), (81, 4906970), (90, 4416273), (135, 2944182), (162, 2453485), (270, 1472091), (405, 981394), (810, 490697)]