648575175020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15497}}^1\times {\mathrm{29473}}^1$

素因数の和:45050

約数の個数: 48

約数和(自身を含む): 1381327069248

約数和(自身を除く): 732751894228

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15497, 29473, 30994, 58946, 61988, 77485, 117892, 147365, 154970, 294730, 309940, 589460, 1100287, 2092583, 2200574, 4185166, 4401148, 5501435, 8370332, 10462915, 11002870, 20925830, 22005740, 41851660, 456743081, 913486162, 1826972324, 2283715405, 4567430810, 9134861620, 32428758751, 64857517502, 129715035004, 162143793755, 324287587510, 648575175020]

約数ペア:

[(1, 648575175020), (2, 324287587510), (4, 162143793755), (5, 129715035004), (10, 64857517502), (20, 32428758751), (71, 9134861620), (142, 4567430810), (284, 2283715405), (355, 1826972324), (710, 913486162), (1420, 456743081), (15497, 41851660), (29473, 22005740), (30994, 20925830), (58946, 11002870), (61988, 10462915), (77485, 8370332), (117892, 5501435), (147365, 4401148), (154970, 4185166), (294730, 2200574), (309940, 2092583), (589460, 1100287)]