31040940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73907}}^1$

素因数の和:73926

約数の個数: 48

約数和(自身を含む): 99332352

約数和(自身を除く): 68291412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73907, 147814, 221721, 295628, 369535, 443442, 517349, 739070, 886884, 1034698, 1108605, 1478140, 1552047, 2069396, 2217210, 2586745, 3104094, 4434420, 5173490, 6208188, 7760235, 10346980, 15520470, 31040940]

約数ペア:

[(1, 31040940), (2, 15520470), (3, 10346980), (4, 7760235), (5, 6208188), (6, 5173490), (7, 4434420), (10, 3104094), (12, 2586745), (14, 2217210), (15, 2069396), (20, 1552047), (21, 1478140), (28, 1108605), (30, 1034698), (35, 886884), (42, 739070), (60, 517349), (70, 443442), (84, 369535), (105, 295628), (140, 221721), (210, 147814), (420, 73907)]