625901220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{496747}}^1$

素因数の和:496769

約数の個数: 72

約数和(自身を含む): 2169795264

約数和(自身を除く): 1543894044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 496747, 993494, 1490241, 1986988, 2483735, 2980482, 3477229, 4470723, 4967470, 5960964, 6954458, 7451205, 8941446, 9934940, 10431687, 13908916, 14902410, 17386145, 17882892, 20863374, 22353615, 29804820, 31295061, 34772290, 41726748, 44707230, 52158435, 62590122, 69544580, 89414460, 104316870, 125180244, 156475305, 208633740, 312950610, 625901220]

約数ペア:

[(1, 625901220), (2, 312950610), (3, 208633740), (4, 156475305), (5, 125180244), (6, 104316870), (7, 89414460), (9, 69544580), (10, 62590122), (12, 52158435), (14, 44707230), (15, 41726748), (18, 34772290), (20, 31295061), (21, 29804820), (28, 22353615), (30, 20863374), (35, 17882892), (36, 17386145), (42, 14902410), (45, 13908916), (60, 10431687), (63, 9934940), (70, 8941446), (84, 7451205), (90, 6954458), (105, 5960964), (126, 4967470), (140, 4470723), (180, 3477229), (210, 2980482), (252, 2483735), (315, 1986988), (420, 1490241), (630, 993494), (1260, 496747)]