30893660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1481}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 74692800

約数和(自身を除く): 43799140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1481, 1490, 2086, 2962, 2980, 4172, 5215, 5924, 7405, 10367, 10430, 14810, 20734, 20860, 29620, 41468, 51835, 103670, 207340, 220669, 441338, 882676, 1103345, 1544683, 2206690, 3089366, 4413380, 6178732, 7723415, 15446830, 30893660]

約数ペア:

[(1, 30893660), (2, 15446830), (4, 7723415), (5, 6178732), (7, 4413380), (10, 3089366), (14, 2206690), (20, 1544683), (28, 1103345), (35, 882676), (70, 441338), (140, 220669), (149, 207340), (298, 103670), (596, 51835), (745, 41468), (1043, 29620), (1481, 20860), (1490, 20734), (2086, 14810), (2962, 10430), (2980, 10367), (4172, 7405), (5215, 5924)]