312905460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{745013}}^1$

素因数の和:745032

約数の個数: 48

約数和(自身を含む): 1001298816

約数和(自身を除く): 688393356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 745013, 1490026, 2235039, 2980052, 3725065, 4470078, 5215091, 7450130, 8940156, 10430182, 11175195, 14900260, 15645273, 20860364, 22350390, 26075455, 31290546, 44700780, 52150910, 62581092, 78226365, 104301820, 156452730, 312905460]

約数ペア:

[(1, 312905460), (2, 156452730), (3, 104301820), (4, 78226365), (5, 62581092), (6, 52150910), (7, 44700780), (10, 31290546), (12, 26075455), (14, 22350390), (15, 20860364), (20, 15645273), (21, 14900260), (28, 11175195), (30, 10430182), (35, 8940156), (42, 7450130), (60, 5215091), (70, 4470078), (84, 3725065), (105, 2980052), (140, 2235039), (210, 1490026), (420, 745013)]