About the Number

138678930

138678929 ← → 138678931

2進数表記:1000010001000001001010010010

漢数字表記:一億三千八百六十七万八千九百三十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 118529 1

素因数の和:118555
約数の個数: 48
約数和(自身を含む): 388304280
約数和(自身を除く): 249625350

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 118529, 237058, 355587, 592645, 711174, 1066761, 1185290, 1540877, 1777935, 2133522, 3081754, 3555870, 4622631, 5333805, 7704385, 9245262, 10667610, 13867893, 15408770, 23113155, 27735786, 46226310, 69339465, 138678930]

約数ペア:
[(1, 138678930), (2, 69339465), (3, 46226310), (5, 27735786), (6, 23113155), (9, 15408770), (10, 13867893), (13, 10667610), (15, 9245262), (18, 7704385), (26, 5333805), (30, 4622631), (39, 3555870), (45, 3081754), (65, 2133522), (78, 1777935), (90, 1540877), (117, 1185290), (130, 1066761), (195, 711174), (234, 592645), (390, 355587), (585, 237058), (1170, 118529)]

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