28636450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 55699560

約数和(自身を除く): 27063110

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 205, 229, 305, 410, 458, 610, 1025, 1145, 1525, 2050, 2290, 2501, 3050, 5002, 5725, 9389, 11450, 12505, 13969, 18778, 25010, 27938, 46945, 62525, 69845, 93890, 125050, 139690, 234725, 349225, 469450, 572729, 698450, 1145458, 2863645, 5727290, 14318225, 28636450]

約数ペア:

[(1, 28636450), (2, 14318225), (5, 5727290), (10, 2863645), (25, 1145458), (41, 698450), (50, 572729), (61, 469450), (82, 349225), (122, 234725), (205, 139690), (229, 125050), (305, 93890), (410, 69845), (458, 62525), (610, 46945), (1025, 27938), (1145, 25010), (1525, 18778), (2050, 13969), (2290, 12505), (2501, 11450), (3050, 9389), (5002, 5725)]