About the Number

30890970

30890969 ← → 30890971

2進数表記:1110101110101101111011010

漢数字表記:三千八十九万九百七十

素因数分解:

2 1 × 3 4 × 5 1 × 11 1 × 3467 1

素因数の和:3497
約数の個数: 80
約数和(自身を含む): 90639648
約数和(自身を除く): 59748678

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 81, 90, 99, 110, 135, 162, 165, 198, 270, 297, 330, 405, 495, 594, 810, 891, 990, 1485, 1782, 2970, 3467, 4455, 6934, 8910, 10401, 17335, 20802, 31203, 34670, 38137, 52005, 62406, 76274, 93609, 104010, 114411, 156015, 187218, 190685, 228822, 280827, 312030, 343233, 381370, 468045, 561654, 572055, 686466, 936090, 1029699, 1144110, 1404135, 1716165, 2059398, 2808270, 3089097, 3432330, 5148495, 6178194, 10296990, 15445485, 30890970]

約数ペア:
[(1, 30890970), (2, 15445485), (3, 10296990), (5, 6178194), (6, 5148495), (9, 3432330), (10, 3089097), (11, 2808270), (15, 2059398), (18, 1716165), (22, 1404135), (27, 1144110), (30, 1029699), (33, 936090), (45, 686466), (54, 572055), (55, 561654), (66, 468045), (81, 381370), (90, 343233), (99, 312030), (110, 280827), (135, 228822), (162, 190685), (165, 187218), (198, 156015), (270, 114411), (297, 104010), (330, 93609), (405, 76274), (495, 62406), (594, 52005), (810, 38137), (891, 34670), (990, 31203), (1485, 20802), (1782, 17335), (2970, 10401), (3467, 8910), (4455, 6934)]

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