90857900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 239984640

約数和(自身を除く): 149126740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 53, 62, 70, 79, 100, 106, 124, 140, 155, 158, 175, 212, 217, 265, 310, 316, 350, 371, 395, 434, 530, 553, 620, 700, 742, 775, 790, 868, 1060, 1085, 1106, 1325, 1484, 1550, 1580, 1643, 1855, 1975, 2170, 2212, 2449, 2650, 2765, 3100, 3286, 3710, 3950, 4187, 4340, 4898, 5300, 5425, 5530, 6572, 7420, 7900, 8215, 8374, 9275, 9796, 10850, 11060, 11501, 12245, 13825, 16430, 16748, 17143, 18550, 20935, 21700, 23002, 24490, 27650, 29309, 32860, 34286, 37100, 41075, 41870, 46004, 48980, 55300, 57505, 58618, 61225, 68572, 82150, 83740, 85715, 104675, 115010, 117236, 122450, 129797, 146545, 164300, 171430, 209350, 230020, 244900, 259594, 287525, 293090, 342860, 418700, 428575, 519188, 575050, 586180, 648985, 732725, 857150, 908579, 1150100, 1297970, 1465450, 1714300, 1817158, 2595940, 2930900, 3244925, 3634316, 4542895, 6489850, 9085790, 12979700, 18171580, 22714475, 45428950, 90857900]

約数ペア:

[(1, 90857900), (2, 45428950), (4, 22714475), (5, 18171580), (7, 12979700), (10, 9085790), (14, 6489850), (20, 4542895), (25, 3634316), (28, 3244925), (31, 2930900), (35, 2595940), (50, 1817158), (53, 1714300), (62, 1465450), (70, 1297970), (79, 1150100), (100, 908579), (106, 857150), (124, 732725), (140, 648985), (155, 586180), (158, 575050), (175, 519188), (212, 428575), (217, 418700), (265, 342860), (310, 293090), (316, 287525), (350, 259594), (371, 244900), (395, 230020), (434, 209350), (530, 171430), (553, 164300), (620, 146545), (700, 129797), (742, 122450), (775, 117236), (790, 115010), (868, 104675), (1060, 85715), (1085, 83740), (1106, 82150), (1325, 68572), (1484, 61225), (1550, 58618), (1580, 57505), (1643, 55300), (1855, 48980), (1975, 46004), (2170, 41870), (2212, 41075), (2449, 37100), (2650, 34286), (2765, 32860), (3100, 29309), (3286, 27650), (3710, 24490), (3950, 23002), (4187, 21700), (4340, 20935), (4898, 18550), (5300, 17143), (5425, 16748), (5530, 16430), (6572, 13825), (7420, 12245), (7900, 11501), (8215, 11060), (8374, 10850), (9275, 9796)]