About the Number

138791640

138791639 ← → 138791641

2進数表記:1000010001011100101011011000

漢数字表記:一億三千八百七十九万千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 13 1 × 88969 1

素因数の和:88996
約数の個数: 64
約数和(自身を含む): 448408800
約数和(自身を除く): 309617160

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 88969, 177938, 266907, 355876, 444845, 533814, 711752, 889690, 1067628, 1156597, 1334535, 1779380, 2135256, 2313194, 2669070, 3469791, 3558760, 4626388, 5338140, 5782985, 6939582, 9252776, 10676280, 11565970, 13879164, 17348955, 23131940, 27758328, 34697910, 46263880, 69395820, 138791640]

約数ペア:
[(1, 138791640), (2, 69395820), (3, 46263880), (4, 34697910), (5, 27758328), (6, 23131940), (8, 17348955), (10, 13879164), (12, 11565970), (13, 10676280), (15, 9252776), (20, 6939582), (24, 5782985), (26, 5338140), (30, 4626388), (39, 3558760), (40, 3469791), (52, 2669070), (60, 2313194), (65, 2135256), (78, 1779380), (104, 1334535), (120, 1156597), (130, 1067628), (156, 889690), (195, 711752), (260, 533814), (312, 444845), (390, 355876), (520, 266907), (780, 177938), (1560, 88969)]

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