About the Number

408038990

408038989 ← → 408038991

2進数表記:11000010100100010111001001110

漢数字表記:四億八百三万八千九百九十

素因数分解:

2 1 × 5 1 × 29 1 × 101 1 × 13931 1

素因数の和:14068
約数の個数: 32
約数和(自身を含む): 767374560
約数和(自身を除く): 359335570

約数列:
[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 1010, 2929, 5858, 13931, 14645, 27862, 29290, 69655, 139310, 403999, 807998, 1407031, 2019995, 2814062, 4039990, 7035155, 14070310, 40803899, 81607798, 204019495, 408038990]

約数ペア:
[(1, 408038990), (2, 204019495), (5, 81607798), (10, 40803899), (29, 14070310), (58, 7035155), (101, 4039990), (145, 2814062), (202, 2019995), (290, 1407031), (505, 807998), (1010, 403999), (2929, 139310), (5858, 69655), (13931, 29290), (14645, 27862)]

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