281659490

素因数分解:

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

素因数の和:208

約数の個数: 96

約数和(自身を含む): 617725440

約数和(自身を除く): 336065950

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 53, 62, 70, 79, 106, 155, 158, 217, 265, 310, 371, 395, 434, 530, 553, 742, 790, 961, 1085, 1106, 1643, 1855, 1922, 2170, 2449, 2765, 3286, 3710, 4187, 4805, 4898, 5530, 6727, 8215, 8374, 9610, 11501, 12245, 13454, 16430, 17143, 20935, 23002, 24490, 29309, 33635, 34286, 41870, 50933, 57505, 58618, 67270, 75919, 85715, 101866, 115010, 129797, 146545, 151838, 171430, 254665, 259594, 293090, 356531, 379595, 509330, 531433, 648985, 713062, 759190, 908579, 1062866, 1297970, 1782655, 1817158, 2657165, 3565310, 4023707, 4542895, 5314330, 8047414, 9085790, 20118535, 28165949, 40237070, 56331898, 140829745, 281659490]

約数ペア:

[(1, 281659490), (2, 140829745), (5, 56331898), (7, 40237070), (10, 28165949), (14, 20118535), (31, 9085790), (35, 8047414), (53, 5314330), (62, 4542895), (70, 4023707), (79, 3565310), (106, 2657165), (155, 1817158), (158, 1782655), (217, 1297970), (265, 1062866), (310, 908579), (371, 759190), (395, 713062), (434, 648985), (530, 531433), (553, 509330), (742, 379595), (790, 356531), (961, 293090), (1085, 259594), (1106, 254665), (1643, 171430), (1855, 151838), (1922, 146545), (2170, 129797), (2449, 115010), (2765, 101866), (3286, 85715), (3710, 75919), (4187, 67270), (4805, 58618), (4898, 57505), (5530, 50933), (6727, 41870), (8215, 34286), (8374, 33635), (9610, 29309), (11501, 24490), (12245, 23002), (13454, 20935), (16430, 17143)]