498977960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3823}}^1$

素因数の和:4098

約数の個数: 64

約数和(自身を含む): 1214196480

約数和(自身を除く): 715218520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 2008, 2510, 3263, 3823, 5020, 6526, 7646, 10040, 13052, 15292, 16315, 19115, 26104, 30584, 32630, 38230, 49699, 65260, 76460, 99398, 130520, 152920, 198796, 248495, 397592, 496990, 959573, 993980, 1919146, 1987960, 3838292, 4797865, 7676584, 9595730, 12474449, 19191460, 24948898, 38382920, 49897796, 62372245, 99795592, 124744490, 249488980, 498977960]

約数ペア:

[(1, 498977960), (2, 249488980), (4, 124744490), (5, 99795592), (8, 62372245), (10, 49897796), (13, 38382920), (20, 24948898), (26, 19191460), (40, 12474449), (52, 9595730), (65, 7676584), (104, 4797865), (130, 3838292), (251, 1987960), (260, 1919146), (502, 993980), (520, 959573), (1004, 496990), (1255, 397592), (2008, 248495), (2510, 198796), (3263, 152920), (3823, 130520), (5020, 99398), (6526, 76460), (7646, 65260), (10040, 49699), (13052, 38230), (15292, 32630), (16315, 30584), (19115, 26104)]