202289725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 287838720

約数和(自身を除く): 85548995

約数列:

[1, 5, 11, 25, 31, 55, 61, 155, 275, 305, 341, 389, 671, 775, 1525, 1705, 1891, 1945, 3355, 4279, 8525, 9455, 9725, 12059, 16775, 20801, 21395, 23729, 47275, 60295, 104005, 106975, 118645, 132649, 261019, 301475, 520025, 593225, 663245, 735599, 1305095, 3316225, 3677995, 6525475, 8091589, 18389975, 40457945, 202289725]

約数ペア:

[(1, 202289725), (5, 40457945), (11, 18389975), (25, 8091589), (31, 6525475), (55, 3677995), (61, 3316225), (155, 1305095), (275, 735599), (305, 663245), (341, 593225), (389, 520025), (671, 301475), (775, 261019), (1525, 132649), (1705, 118645), (1891, 106975), (1945, 104005), (3355, 60295), (4279, 47275), (8525, 23729), (9455, 21395), (9725, 20801), (12059, 16775)]