219210940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22787}}^1$

素因数の和:22846

約数の個数: 48

約数和(自身を含む): 509175072

約数和(自身を除く): 289964132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 22787, 45574, 91148, 113935, 227870, 296231, 455740, 592462, 843119, 1184924, 1481155, 1686238, 2962310, 3372476, 4215595, 5924620, 8431190, 10960547, 16862380, 21921094, 43842188, 54802735, 109605470, 219210940]

約数ペア:

[(1, 219210940), (2, 109605470), (4, 54802735), (5, 43842188), (10, 21921094), (13, 16862380), (20, 10960547), (26, 8431190), (37, 5924620), (52, 4215595), (65, 3372476), (74, 2962310), (130, 1686238), (148, 1481155), (185, 1184924), (260, 843119), (370, 592462), (481, 455740), (740, 296231), (962, 227870), (1924, 113935), (2405, 91148), (4810, 45574), (9620, 22787)]