898209460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{19603}}^1$

素因数の和:19720

約数の個数: 48

約数和(自身を含む): 1976083200

約数和(自身を除く): 1077873740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 9164, 11455, 19603, 22910, 39206, 45820, 78412, 98015, 196030, 392060, 568487, 1136974, 1548637, 2273948, 2842435, 3097274, 5684870, 6194548, 7743185, 11369740, 15486370, 30972740, 44910473, 89820946, 179641892, 224552365, 449104730, 898209460]

約数ペア:

[(1, 898209460), (2, 449104730), (4, 224552365), (5, 179641892), (10, 89820946), (20, 44910473), (29, 30972740), (58, 15486370), (79, 11369740), (116, 7743185), (145, 6194548), (158, 5684870), (290, 3097274), (316, 2842435), (395, 2273948), (580, 1548637), (790, 1136974), (1580, 568487), (2291, 392060), (4582, 196030), (9164, 98015), (11455, 78412), (19603, 45820), (22910, 39206)]