28755510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 79488000

約数和(自身を除く): 50732490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 919, 1043, 1490, 1838, 2086, 2235, 2757, 3129, 4470, 4595, 5215, 5514, 6258, 6433, 9190, 10430, 12866, 13785, 15645, 19299, 27570, 31290, 32165, 38598, 64330, 96495, 136931, 192990, 273862, 410793, 684655, 821586, 958517, 1369310, 1917034, 2053965, 2875551, 4107930, 4792585, 5751102, 9585170, 14377755, 28755510]

約数ペア:

[(1, 28755510), (2, 14377755), (3, 9585170), (5, 5751102), (6, 4792585), (7, 4107930), (10, 2875551), (14, 2053965), (15, 1917034), (21, 1369310), (30, 958517), (35, 821586), (42, 684655), (70, 410793), (105, 273862), (149, 192990), (210, 136931), (298, 96495), (447, 64330), (745, 38598), (894, 32165), (919, 31290), (1043, 27570), (1490, 19299), (1838, 15645), (2086, 13785), (2235, 12866), (2757, 10430), (3129, 9190), (4470, 6433), (4595, 6258), (5215, 5514)]