281551540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{887}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 604195200

約数和(自身を除く): 322643660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 269, 295, 538, 590, 887, 1076, 1180, 1345, 1774, 2690, 3548, 4435, 5380, 8870, 15871, 17740, 31742, 52333, 63484, 79355, 104666, 158710, 209332, 238603, 261665, 317420, 477206, 523330, 954412, 1046660, 1193015, 2386030, 4772060, 14077577, 28155154, 56310308, 70387885, 140775770, 281551540]

約数ペア:

[(1, 281551540), (2, 140775770), (4, 70387885), (5, 56310308), (10, 28155154), (20, 14077577), (59, 4772060), (118, 2386030), (236, 1193015), (269, 1046660), (295, 954412), (538, 523330), (590, 477206), (887, 317420), (1076, 261665), (1180, 238603), (1345, 209332), (1774, 158710), (2690, 104666), (3548, 79355), (4435, 63484), (5380, 52333), (8870, 31742), (15871, 17740)]