397147460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{5227}}^1$

素因数の和:5396

約数の個数: 48

約数和(自身を含む): 869520960

約数和(自身を除く): 472373500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1310, 2620, 3799, 5227, 7598, 10454, 15196, 18995, 20908, 26135, 37990, 52270, 75980, 104540, 151583, 303166, 606332, 684737, 757915, 1369474, 1515830, 2738948, 3031660, 3423685, 6847370, 13694740, 19857373, 39714746, 79429492, 99286865, 198573730, 397147460]

約数ペア:

[(1, 397147460), (2, 198573730), (4, 99286865), (5, 79429492), (10, 39714746), (20, 19857373), (29, 13694740), (58, 6847370), (116, 3423685), (131, 3031660), (145, 2738948), (262, 1515830), (290, 1369474), (524, 757915), (580, 684737), (655, 606332), (1310, 303166), (2620, 151583), (3799, 104540), (5227, 75980), (7598, 52270), (10454, 37990), (15196, 26135), (18995, 20908)]