About the Number

121490928

121490927 ← → 121490929

2進数表記:111001111011100110111110000

漢数字表記:一億二千百四十九万九百二十八

素因数分解:

2 4 × 3 4 × 13 1 × 7211 1

素因数の和:7244
約数の個数: 100
約数和(自身を含む): 378730968
約数和(自身を除く): 257240040

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1296, 1404, 1872, 2106, 2808, 4212, 5616, 7211, 8424, 14422, 16848, 21633, 28844, 43266, 57688, 64899, 86532, 93743, 115376, 129798, 173064, 187486, 194697, 259596, 281229, 346128, 374972, 389394, 519192, 562458, 584091, 749944, 778788, 843687, 1038384, 1124916, 1168182, 1499888, 1557576, 1687374, 2249832, 2336364, 2531061, 3115152, 3374748, 4499664, 4672728, 5062122, 6749496, 7593183, 9345456, 10124244, 13498992, 15186366, 20248488, 30372732, 40496976, 60745464, 121490928]

約数ペア:
[(1, 121490928), (2, 60745464), (3, 40496976), (4, 30372732), (6, 20248488), (8, 15186366), (9, 13498992), (12, 10124244), (13, 9345456), (16, 7593183), (18, 6749496), (24, 5062122), (26, 4672728), (27, 4499664), (36, 3374748), (39, 3115152), (48, 2531061), (52, 2336364), (54, 2249832), (72, 1687374), (78, 1557576), (81, 1499888), (104, 1168182), (108, 1124916), (117, 1038384), (144, 843687), (156, 778788), (162, 749944), (208, 584091), (216, 562458), (234, 519192), (312, 389394), (324, 374972), (351, 346128), (432, 281229), (468, 259596), (624, 194697), (648, 187486), (702, 173064), (936, 129798), (1053, 115376), (1296, 93743), (1404, 86532), (1872, 64899), (2106, 57688), (2808, 43266), (4212, 28844), (5616, 21633), (7211, 16848), (8424, 14422)]

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