387100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{79}}^1$

素因数の和:107

約数の個数: 54

約数和(自身を含む): 989520

約数和(自身を除く): 602420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 140, 158, 175, 196, 245, 316, 350, 395, 490, 553, 700, 790, 980, 1106, 1225, 1580, 1975, 2212, 2450, 2765, 3871, 3950, 4900, 5530, 7742, 7900, 11060, 13825, 15484, 19355, 27650, 38710, 55300, 77420, 96775, 193550, 387100]

約数ペア:

[(1, 387100), (2, 193550), (4, 96775), (5, 77420), (7, 55300), (10, 38710), (14, 27650), (20, 19355), (25, 15484), (28, 13825), (35, 11060), (49, 7900), (50, 7742), (70, 5530), (79, 4900), (98, 3950), (100, 3871), (140, 2765), (158, 2450), (175, 2212), (196, 1975), (245, 1580), (316, 1225), (350, 1106), (395, 980), (490, 790), (553, 700)]