278366930

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1831}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 523922688

約数和(自身を除く): 245555758

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 661, 1322, 1831, 3305, 3662, 6610, 9155, 15203, 18310, 30406, 42113, 76015, 84226, 152030, 210565, 421130, 1210291, 2420582, 6051455, 12102910, 27836693, 55673386, 139183465, 278366930]

約数ペア:

[(1, 278366930), (2, 139183465), (5, 55673386), (10, 27836693), (23, 12102910), (46, 6051455), (115, 2420582), (230, 1210291), (661, 421130), (1322, 210565), (1831, 152030), (3305, 84226), (3662, 76015), (6610, 42113), (9155, 30406), (15203, 18310)]