273452020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 618710400

約数和(自身を除く): 345258380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 61, 116, 118, 122, 131, 145, 236, 244, 262, 290, 295, 305, 524, 580, 590, 610, 655, 1180, 1220, 1310, 1711, 1769, 2620, 3422, 3538, 3599, 3799, 6844, 7076, 7198, 7598, 7729, 7991, 8555, 8845, 14396, 15196, 15458, 15982, 17110, 17690, 17995, 18995, 30916, 31964, 34220, 35380, 35990, 37990, 38645, 39955, 71980, 75980, 77290, 79910, 104371, 154580, 159820, 208742, 224141, 231739, 417484, 448282, 463478, 471469, 521855, 896564, 926956, 942938, 1043710, 1120705, 1158695, 1885876, 2087420, 2241410, 2317390, 2357345, 4482820, 4634780, 4714690, 9429380, 13672601, 27345202, 54690404, 68363005, 136726010, 273452020]

約数ペア:

[(1, 273452020), (2, 136726010), (4, 68363005), (5, 54690404), (10, 27345202), (20, 13672601), (29, 9429380), (58, 4714690), (59, 4634780), (61, 4482820), (116, 2357345), (118, 2317390), (122, 2241410), (131, 2087420), (145, 1885876), (236, 1158695), (244, 1120705), (262, 1043710), (290, 942938), (295, 926956), (305, 896564), (524, 521855), (580, 471469), (590, 463478), (610, 448282), (655, 417484), (1180, 231739), (1220, 224141), (1310, 208742), (1711, 159820), (1769, 154580), (2620, 104371), (3422, 79910), (3538, 77290), (3599, 75980), (3799, 71980), (6844, 39955), (7076, 38645), (7198, 37990), (7598, 35990), (7729, 35380), (7991, 34220), (8555, 31964), (8845, 30916), (14396, 18995), (15196, 17995), (15458, 17690), (15982, 17110)]