30152780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5821}}^1$

素因数の和:5874

約数の個数: 48

約数和(自身を含む): 74335296

約数和(自身を除く): 44182516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5821, 11642, 23284, 29105, 40747, 58210, 81494, 116420, 162988, 203735, 215377, 407470, 430754, 814940, 861508, 1076885, 1507639, 2153770, 3015278, 4307540, 6030556, 7538195, 15076390, 30152780]

約数ペア:

[(1, 30152780), (2, 15076390), (4, 7538195), (5, 6030556), (7, 4307540), (10, 3015278), (14, 2153770), (20, 1507639), (28, 1076885), (35, 861508), (37, 814940), (70, 430754), (74, 407470), (140, 215377), (148, 203735), (185, 162988), (259, 116420), (370, 81494), (518, 58210), (740, 40747), (1036, 29105), (1295, 23284), (2590, 11642), (5180, 5821)]