About the Number

289397730

289397729 ← → 289397731

2進数表記:10001001111111101101111100010

漢数字表記:二億八千九百三十九万七千七百三十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 419417 1

素因数の和:419450
約数の個数: 32
約数和(自身を含む): 724754304
約数和(自身を除く): 435356574

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 419417, 838834, 1258251, 2097085, 2516502, 4194170, 6291255, 9646591, 12582510, 19293182, 28939773, 48232955, 57879546, 96465910, 144698865, 289397730]

約数ペア:
[(1, 289397730), (2, 144698865), (3, 96465910), (5, 57879546), (6, 48232955), (10, 28939773), (15, 19293182), (23, 12582510), (30, 9646591), (46, 6291255), (69, 4194170), (115, 2516502), (138, 2097085), (230, 1258251), (345, 838834), (690, 419417)]

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