222728870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 495645696

約数和(自身を除く): 272916826

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 311, 455, 622, 787, 910, 1555, 1574, 2177, 3110, 3935, 4043, 4354, 5509, 7870, 8086, 10231, 10885, 11018, 20215, 20462, 21770, 27545, 28301, 40430, 51155, 55090, 56602, 71617, 102310, 141505, 143234, 244757, 283010, 358085, 489514, 716170, 1223785, 1713299, 2447570, 3181841, 3426598, 6363682, 8566495, 15909205, 17132990, 22272887, 31818410, 44545774, 111364435, 222728870]

約数ペア:

[(1, 222728870), (2, 111364435), (5, 44545774), (7, 31818410), (10, 22272887), (13, 17132990), (14, 15909205), (26, 8566495), (35, 6363682), (65, 3426598), (70, 3181841), (91, 2447570), (130, 1713299), (182, 1223785), (311, 716170), (455, 489514), (622, 358085), (787, 283010), (910, 244757), (1555, 143234), (1574, 141505), (2177, 102310), (3110, 71617), (3935, 56602), (4043, 55090), (4354, 51155), (5509, 40430), (7870, 28301), (8086, 27545), (10231, 21770), (10885, 20462), (11018, 20215)]