About the Number

74129990

74129989 ← → 74129991

2進数表記:100011010110010001001000110

漢数字表記:七千四百十二万九千九百九十

素因数分解:

2 1 × 5 1 × 11 1 × 31 1 × 21739 1

素因数の和:21788
約数の個数: 32
約数和(自身を含む): 150266880
約数和(自身を除く): 76136890

約数列:
[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 21739, 43478, 108695, 217390, 239129, 478258, 673909, 1195645, 1347818, 2391290, 3369545, 6739090, 7412999, 14825998, 37064995, 74129990]

約数ペア:
[(1, 74129990), (2, 37064995), (5, 14825998), (10, 7412999), (11, 6739090), (22, 3369545), (31, 2391290), (55, 1347818), (62, 1195645), (110, 673909), (155, 478258), (310, 239129), (341, 217390), (682, 108695), (1705, 43478), (3410, 21739)]

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