30676840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 73774800

約数和(自身を除く): 43097960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 229, 340, 394, 458, 680, 788, 916, 985, 1145, 1576, 1832, 1970, 2290, 3349, 3893, 3940, 4580, 6698, 7786, 7880, 9160, 13396, 15572, 16745, 19465, 26792, 31144, 33490, 38930, 45113, 66980, 77860, 90226, 133960, 155720, 180452, 225565, 360904, 451130, 766921, 902260, 1533842, 1804520, 3067684, 3834605, 6135368, 7669210, 15338420, 30676840]

約数ペア:

[(1, 30676840), (2, 15338420), (4, 7669210), (5, 6135368), (8, 3834605), (10, 3067684), (17, 1804520), (20, 1533842), (34, 902260), (40, 766921), (68, 451130), (85, 360904), (136, 225565), (170, 180452), (197, 155720), (229, 133960), (340, 90226), (394, 77860), (458, 66980), (680, 45113), (788, 38930), (916, 33490), (985, 31144), (1145, 26792), (1576, 19465), (1832, 16745), (1970, 15572), (2290, 13396), (3349, 9160), (3893, 7880), (3940, 7786), (4580, 6698)]