18667300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 43200360

約数和(自身を除く): 24533060

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 157, 164, 205, 290, 314, 410, 580, 628, 725, 785, 820, 1025, 1189, 1450, 1570, 2050, 2378, 2900, 3140, 3925, 4100, 4553, 4756, 5945, 6437, 7850, 9106, 11890, 12874, 15700, 18212, 22765, 23780, 25748, 29725, 32185, 45530, 59450, 64370, 91060, 113825, 118900, 128740, 160925, 186673, 227650, 321850, 373346, 455300, 643700, 746692, 933365, 1866730, 3733460, 4666825, 9333650, 18667300]

約数ペア:

[(1, 18667300), (2, 9333650), (4, 4666825), (5, 3733460), (10, 1866730), (20, 933365), (25, 746692), (29, 643700), (41, 455300), (50, 373346), (58, 321850), (82, 227650), (100, 186673), (116, 160925), (145, 128740), (157, 118900), (164, 113825), (205, 91060), (290, 64370), (314, 59450), (410, 45530), (580, 32185), (628, 29725), (725, 25748), (785, 23780), (820, 22765), (1025, 18212), (1189, 15700), (1450, 12874), (1570, 11890), (2050, 9106), (2378, 7850), (2900, 6437), (3140, 5945), (3925, 4756), (4100, 4553)]