397578420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1286

約数の個数: 144

約数和(自身を含む): 1283143680

約数和(自身を除く): 885565260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 101, 114, 171, 180, 190, 202, 228, 285, 303, 342, 380, 404, 505, 570, 606, 684, 855, 909, 1010, 1140, 1151, 1212, 1515, 1710, 1818, 1919, 2020, 2302, 3030, 3420, 3453, 3636, 3838, 4545, 4604, 5755, 5757, 6060, 6906, 7676, 9090, 9595, 10359, 11510, 11514, 13812, 17265, 17271, 18180, 19190, 20718, 21869, 23020, 23028, 28785, 34530, 34542, 38380, 41436, 43738, 51795, 57570, 65607, 69060, 69084, 86355, 87476, 103590, 109345, 115140, 116251, 131214, 172710, 196821, 207180, 218690, 232502, 262428, 328035, 345420, 348753, 393642, 437380, 465004, 581255, 656070, 697506, 787284, 984105, 1046259, 1162510, 1312140, 1395012, 1743765, 1968210, 2092518, 2208769, 2325020, 3487530, 3936420, 4185036, 4417538, 5231295, 6626307, 6975060, 8835076, 10462590, 11043845, 13252614, 19878921, 20925180, 22087690, 26505228, 33131535, 39757842, 44175380, 66263070, 79515684, 99394605, 132526140, 198789210, 397578420]

約数ペア:

[(1, 397578420), (2, 198789210), (3, 132526140), (4, 99394605), (5, 79515684), (6, 66263070), (9, 44175380), (10, 39757842), (12, 33131535), (15, 26505228), (18, 22087690), (19, 20925180), (20, 19878921), (30, 13252614), (36, 11043845), (38, 10462590), (45, 8835076), (57, 6975060), (60, 6626307), (76, 5231295), (90, 4417538), (95, 4185036), (101, 3936420), (114, 3487530), (171, 2325020), (180, 2208769), (190, 2092518), (202, 1968210), (228, 1743765), (285, 1395012), (303, 1312140), (342, 1162510), (380, 1046259), (404, 984105), (505, 787284), (570, 697506), (606, 656070), (684, 581255), (855, 465004), (909, 437380), (1010, 393642), (1140, 348753), (1151, 345420), (1212, 328035), (1515, 262428), (1710, 232502), (1818, 218690), (1919, 207180), (2020, 196821), (2302, 172710), (3030, 131214), (3420, 116251), (3453, 115140), (3636, 109345), (3838, 103590), (4545, 87476), (4604, 86355), (5755, 69084), (5757, 69060), (6060, 65607), (6906, 57570), (7676, 51795), (9090, 43738), (9595, 41436), (10359, 38380), (11510, 34542), (11514, 34530), (13812, 28785), (17265, 23028), (17271, 23020), (18180, 21869), (19190, 20718)]