About the Number

3993980

3993979 ← → 3993981

2進数表記:1111001111000101111100

漢数字表記:三百九十九万三千九百八十

素因数分解:

2 2 × 5 1 × 17 2 × 691 1

素因数の和:734
約数の個数: 36
約数和(自身を含む): 8922648
約数和(自身を除く): 4928668

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 691, 1156, 1382, 1445, 2764, 2890, 3455, 5780, 6910, 11747, 13820, 23494, 46988, 58735, 117470, 199699, 234940, 399398, 798796, 998495, 1996990, 3993980]

約数ペア:
[(1, 3993980), (2, 1996990), (4, 998495), (5, 798796), (10, 399398), (17, 234940), (20, 199699), (34, 117470), (68, 58735), (85, 46988), (170, 23494), (289, 13820), (340, 11747), (578, 6910), (691, 5780), (1156, 3455), (1382, 2890), (1445, 2764)]

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