31060540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 75096000

約数和(自身を除く): 44035460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1489, 1490, 2086, 2978, 2980, 4172, 5215, 5956, 7445, 10423, 10430, 14890, 20846, 20860, 29780, 41692, 52115, 104230, 208460, 221861, 443722, 887444, 1109305, 1553027, 2218610, 3106054, 4437220, 6212108, 7765135, 15530270, 31060540]

約数ペア:

[(1, 31060540), (2, 15530270), (4, 7765135), (5, 6212108), (7, 4437220), (10, 3106054), (14, 2218610), (20, 1553027), (28, 1109305), (35, 887444), (70, 443722), (140, 221861), (149, 208460), (298, 104230), (596, 52115), (745, 41692), (1043, 29780), (1489, 20860), (1490, 20846), (2086, 14890), (2978, 10430), (2980, 10423), (4172, 7445), (5215, 5956)]