209401012005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{21143}}^1$

素因数の和:21279

約数の個数: 96

約数和(自身を含む): 371214213120

約数和(自身を除く): 161813201115

約数列:

[1, 3, 5, 15, 19, 31, 57, 59, 93, 95, 155, 177, 285, 295, 361, 465, 589, 885, 1083, 1121, 1767, 1805, 1829, 2945, 3363, 5415, 5487, 5605, 8835, 9145, 11191, 16815, 21143, 21299, 27435, 33573, 34751, 55955, 63429, 63897, 104253, 105715, 106495, 167865, 173755, 317145, 319485, 401717, 521265, 655433, 660269, 1205151, 1247437, 1966299, 1980807, 2008585, 3277165, 3301345, 3742311, 6025755, 6237185, 7632623, 9831495, 9904035, 12453227, 18711555, 22897869, 23701303, 37359681, 38163115, 38670547, 62266135, 71103909, 114489345, 116011641, 118506515, 186798405, 193352735, 236611313, 355519545, 450324757, 580058205, 709833939, 734740393, 1183056565, 1350974271, 2204221179, 2251623785, 3549169695, 3673701965, 6754871355, 11021105895, 13960067467, 41880202401, 69800337335, 209401012005]

約数ペア:

[(1, 209401012005), (3, 69800337335), (5, 41880202401), (15, 13960067467), (19, 11021105895), (31, 6754871355), (57, 3673701965), (59, 3549169695), (93, 2251623785), (95, 2204221179), (155, 1350974271), (177, 1183056565), (285, 734740393), (295, 709833939), (361, 580058205), (465, 450324757), (589, 355519545), (885, 236611313), (1083, 193352735), (1121, 186798405), (1767, 118506515), (1805, 116011641), (1829, 114489345), (2945, 71103909), (3363, 62266135), (5415, 38670547), (5487, 38163115), (5605, 37359681), (8835, 23701303), (9145, 22897869), (11191, 18711555), (16815, 12453227), (21143, 9904035), (21299, 9831495), (27435, 7632623), (33573, 6237185), (34751, 6025755), (55955, 3742311), (63429, 3301345), (63897, 3277165), (104253, 2008585), (105715, 1980807), (106495, 1966299), (167865, 1247437), (173755, 1205151), (317145, 660269), (319485, 655433), (401717, 521265)]