About the Number

231218910

231218909 ← → 231218911

2進数表記:1101110010000001111011011110

漢数字表記:二億三千百二十一万八千九百十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 83 1 × 2381 1

素因数の和:2490
約数の個数: 96
約数和(自身を含む): 655488288
約数和(自身を除く): 424269378

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 83, 90, 117, 130, 166, 195, 234, 249, 390, 415, 498, 585, 747, 830, 1079, 1170, 1245, 1494, 2158, 2381, 2490, 3237, 3735, 4762, 5395, 6474, 7143, 7470, 9711, 10790, 11905, 14286, 16185, 19422, 21429, 23810, 30953, 32370, 35715, 42858, 48555, 61906, 71430, 92859, 97110, 107145, 154765, 185718, 197623, 214290, 278577, 309530, 395246, 464295, 557154, 592869, 928590, 988115, 1185738, 1392885, 1778607, 1976230, 2569099, 2785770, 2964345, 3557214, 5138198, 5928690, 7707297, 8893035, 12845495, 15414594, 17786070, 23121891, 25690990, 38536485, 46243782, 77072970, 115609455, 231218910]

約数ペア:
[(1, 231218910), (2, 115609455), (3, 77072970), (5, 46243782), (6, 38536485), (9, 25690990), (10, 23121891), (13, 17786070), (15, 15414594), (18, 12845495), (26, 8893035), (30, 7707297), (39, 5928690), (45, 5138198), (65, 3557214), (78, 2964345), (83, 2785770), (90, 2569099), (117, 1976230), (130, 1778607), (166, 1392885), (195, 1185738), (234, 988115), (249, 928590), (390, 592869), (415, 557154), (498, 464295), (585, 395246), (747, 309530), (830, 278577), (1079, 214290), (1170, 197623), (1245, 185718), (1494, 154765), (2158, 107145), (2381, 97110), (2490, 92859), (3237, 71430), (3735, 61906), (4762, 48555), (5395, 42858), (6474, 35715), (7143, 32370), (7470, 30953), (9711, 23810), (10790, 21429), (11905, 19422), (14286, 16185)]

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