230440420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{11047}}^1$

素因数の和:11212

約数の個数: 48

約数和(自身を含む): 556819200

約数和(自身を除く): 326378780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 11047, 20860, 22094, 44188, 55235, 77329, 110470, 154658, 220940, 309316, 386645, 773290, 1546580, 1646003, 3292006, 6584012, 8230015, 11522021, 16460030, 23044042, 32920060, 46088084, 57610105, 115220210, 230440420]

約数ペア:

[(1, 230440420), (2, 115220210), (4, 57610105), (5, 46088084), (7, 32920060), (10, 23044042), (14, 16460030), (20, 11522021), (28, 8230015), (35, 6584012), (70, 3292006), (140, 1646003), (149, 1546580), (298, 773290), (596, 386645), (745, 309316), (1043, 220940), (1490, 154658), (2086, 110470), (2980, 77329), (4172, 55235), (5215, 44188), (10430, 22094), (11047, 20860)]