About the Number

131428350

131428349 ← → 131428351

2進数表記:111110101010110111111111110

漢数字表記:一億三千百四十二万八千三百五十

素因数分解:

2 1 × 3 2 × 5 2 × 79 1 × 3697 1

素因数の和:3794
約数の個数: 72
約数和(自身を含む): 357670560
約数和(自身を除く): 226242210

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 79, 90, 150, 158, 225, 237, 395, 450, 474, 711, 790, 1185, 1422, 1975, 2370, 3555, 3697, 3950, 5925, 7110, 7394, 11091, 11850, 17775, 18485, 22182, 33273, 35550, 36970, 55455, 66546, 92425, 110910, 166365, 184850, 277275, 292063, 332730, 554550, 584126, 831825, 876189, 1460315, 1663650, 1752378, 2628567, 2920630, 4380945, 5257134, 7301575, 8761890, 13142835, 14603150, 21904725, 26285670, 43809450, 65714175, 131428350]

約数ペア:
[(1, 131428350), (2, 65714175), (3, 43809450), (5, 26285670), (6, 21904725), (9, 14603150), (10, 13142835), (15, 8761890), (18, 7301575), (25, 5257134), (30, 4380945), (45, 2920630), (50, 2628567), (75, 1752378), (79, 1663650), (90, 1460315), (150, 876189), (158, 831825), (225, 584126), (237, 554550), (395, 332730), (450, 292063), (474, 277275), (711, 184850), (790, 166365), (1185, 110910), (1422, 92425), (1975, 66546), (2370, 55455), (3555, 36970), (3697, 35550), (3950, 33273), (5925, 22182), (7110, 18485), (7394, 17775), (11091, 11850)]

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