About the Number

470891220

470891219 ← → 470891221

2進数表記:11100000100010011101011010100

漢数字表記:四億七千八十九万千二百二十

素因数分解:

2 2 × 3 1 × 5 1 × 53 1 × 148079 1

素因数の和:148144
約数の個数: 48
約数和(自身を含む): 1343381760
約数和(自身を除く): 872490540

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 148079, 296158, 444237, 592316, 740395, 888474, 1480790, 1776948, 2221185, 2961580, 4442370, 7848187, 8884740, 15696374, 23544561, 31392748, 39240935, 47089122, 78481870, 94178244, 117722805, 156963740, 235445610, 470891220]

約数ペア:
[(1, 470891220), (2, 235445610), (3, 156963740), (4, 117722805), (5, 94178244), (6, 78481870), (10, 47089122), (12, 39240935), (15, 31392748), (20, 23544561), (30, 15696374), (53, 8884740), (60, 7848187), (106, 4442370), (159, 2961580), (212, 2221185), (265, 1776948), (318, 1480790), (530, 888474), (636, 740395), (795, 592316), (1060, 444237), (1590, 296158), (3180, 148079)]

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