28420830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{691}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 74163024

約数和(自身を除く): 45742194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 457, 691, 914, 1371, 1382, 2073, 2285, 2742, 3455, 4113, 4146, 4570, 6219, 6855, 6910, 8226, 10365, 12438, 13710, 20565, 20730, 31095, 41130, 62190, 315787, 631574, 947361, 1578935, 1894722, 2842083, 3157870, 4736805, 5684166, 9473610, 14210415, 28420830]

約数ペア:

[(1, 28420830), (2, 14210415), (3, 9473610), (5, 5684166), (6, 4736805), (9, 3157870), (10, 2842083), (15, 1894722), (18, 1578935), (30, 947361), (45, 631574), (90, 315787), (457, 62190), (691, 41130), (914, 31095), (1371, 20730), (1382, 20565), (2073, 13710), (2285, 12438), (2742, 10365), (3455, 8226), (4113, 6910), (4146, 6855), (4570, 6219)]