30132340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2131}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 73067904

約数和(自身を除く): 42935564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2131, 2828, 3535, 4262, 7070, 8524, 10655, 14140, 14917, 21310, 29834, 42620, 59668, 74585, 149170, 215231, 298340, 430462, 860924, 1076155, 1506617, 2152310, 3013234, 4304620, 6026468, 7533085, 15066170, 30132340]

約数ペア:

[(1, 30132340), (2, 15066170), (4, 7533085), (5, 6026468), (7, 4304620), (10, 3013234), (14, 2152310), (20, 1506617), (28, 1076155), (35, 860924), (70, 430462), (101, 298340), (140, 215231), (202, 149170), (404, 74585), (505, 59668), (707, 42620), (1010, 29834), (1414, 21310), (2020, 14917), (2131, 14140), (2828, 10655), (3535, 8524), (4262, 7070)]