About the Number

390412990

390412989 ← → 390412991

2進数表記:10111010001010011101010111110

漢数字表記:三億九千四十一万二千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 17 2 × 12281 1

素因数の和:12333
約数の個数: 48
約数和(自身を含む): 814443984
約数和(自身を除く): 424030994

約数列:
[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 935, 1445, 1870, 2890, 3179, 6358, 12281, 15895, 24562, 31790, 61405, 122810, 135091, 208777, 270182, 417554, 675455, 1043885, 1350910, 2087770, 2296547, 3549209, 4593094, 7098418, 11482735, 17746045, 22965470, 35492090, 39041299, 78082598, 195206495, 390412990]

約数ペア:
[(1, 390412990), (2, 195206495), (5, 78082598), (10, 39041299), (11, 35492090), (17, 22965470), (22, 17746045), (34, 11482735), (55, 7098418), (85, 4593094), (110, 3549209), (170, 2296547), (187, 2087770), (289, 1350910), (374, 1043885), (578, 675455), (935, 417554), (1445, 270182), (1870, 208777), (2890, 135091), (3179, 122810), (6358, 61405), (12281, 31790), (15895, 24562)]

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