520099450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 1076399856

約数和(自身を除く): 556300406

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 97, 113, 130, 146, 194, 226, 325, 365, 485, 565, 650, 730, 949, 970, 1130, 1261, 1469, 1825, 1898, 2425, 2522, 2825, 2938, 3650, 4745, 4850, 5650, 6305, 7081, 7345, 8249, 9490, 10961, 12610, 14162, 14690, 16498, 21922, 23725, 31525, 35405, 36725, 41245, 47450, 54805, 63050, 70810, 73450, 82490, 92053, 107237, 109610, 142493, 177025, 184106, 206225, 214474, 274025, 284986, 354050, 412450, 460265, 536185, 548050, 712465, 800153, 920530, 1072370, 1424930, 1600306, 2301325, 2680925, 3562325, 4000765, 4602650, 5361850, 7124650, 8001530, 10401989, 20003825, 20803978, 40007650, 52009945, 104019890, 260049725, 520099450]

約数ペア:

[(1, 520099450), (2, 260049725), (5, 104019890), (10, 52009945), (13, 40007650), (25, 20803978), (26, 20003825), (50, 10401989), (65, 8001530), (73, 7124650), (97, 5361850), (113, 4602650), (130, 4000765), (146, 3562325), (194, 2680925), (226, 2301325), (325, 1600306), (365, 1424930), (485, 1072370), (565, 920530), (650, 800153), (730, 712465), (949, 548050), (970, 536185), (1130, 460265), (1261, 412450), (1469, 354050), (1825, 284986), (1898, 274025), (2425, 214474), (2522, 206225), (2825, 184106), (2938, 177025), (3650, 142493), (4745, 109610), (4850, 107237), (5650, 92053), (6305, 82490), (7081, 73450), (7345, 70810), (8249, 63050), (9490, 54805), (10961, 47450), (12610, 41245), (14162, 36725), (14690, 35405), (16498, 31525), (21922, 23725)]