About the Number

121916790

121916789 ← → 121916791

2進数表記:111010001000100110101110110

漢数字表記:一億二千百九十一万六千七百九十

素因数分解:

2 1 × 3 2 × 5 1 × 23 1 × 58897 1

素因数の和:58933
約数の個数: 48
約数和(自身を含む): 330771168
約数和(自身を除く): 208854378

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 58897, 117794, 176691, 294485, 353382, 530073, 588970, 883455, 1060146, 1354631, 1766910, 2650365, 2709262, 4063893, 5300730, 6773155, 8127786, 12191679, 13546310, 20319465, 24383358, 40638930, 60958395, 121916790]

約数ペア:
[(1, 121916790), (2, 60958395), (3, 40638930), (5, 24383358), (6, 20319465), (9, 13546310), (10, 12191679), (15, 8127786), (18, 6773155), (23, 5300730), (30, 4063893), (45, 2709262), (46, 2650365), (69, 1766910), (90, 1354631), (115, 1060146), (138, 883455), (207, 588970), (230, 530073), (345, 353382), (414, 294485), (690, 176691), (1035, 117794), (2070, 58897)]

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