About the Number

138889472790

138889472789 ← → 138889472791

2進数表記:10000001010110011101010010101100010110

漢数字表記:千三百八十八億八千九百四十七万二千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 607 1 × 331613 1

素因数の和:332253
約数の個数: 64
約数和(自身を含む): 348401627136
約数和(自身を除く): 209512154346

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 607, 690, 1214, 1821, 3035, 3642, 6070, 9105, 13961, 18210, 27922, 41883, 69805, 83766, 139610, 209415, 331613, 418830, 663226, 994839, 1658065, 1989678, 3316130, 4974195, 7627099, 9948390, 15254198, 22881297, 38135495, 45762594, 76270990, 114406485, 201289091, 228812970, 402578182, 603867273, 1006445455, 1207734546, 2012890910, 3019336365, 4629649093, 6038672730, 9259298186, 13888947279, 23148245465, 27777894558, 46296490930, 69444736395, 138889472790]

約数ペア:
[(1, 138889472790), (2, 69444736395), (3, 46296490930), (5, 27777894558), (6, 23148245465), (10, 13888947279), (15, 9259298186), (23, 6038672730), (30, 4629649093), (46, 3019336365), (69, 2012890910), (115, 1207734546), (138, 1006445455), (230, 603867273), (345, 402578182), (607, 228812970), (690, 201289091), (1214, 114406485), (1821, 76270990), (3035, 45762594), (3642, 38135495), (6070, 22881297), (9105, 15254198), (13961, 9948390), (18210, 7627099), (27922, 4974195), (41883, 3316130), (69805, 1989678), (83766, 1658065), (139610, 994839), (209415, 663226), (331613, 418830)]

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