490624980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{19423}}^1$

素因数の和:19856

約数の個数: 48

約数和(自身を含む): 1377083904

約数和(自身を除く): 886458924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 12630, 19423, 25260, 38846, 58269, 77692, 97115, 116538, 194230, 233076, 291345, 388460, 582690, 1165380, 8177083, 16354166, 24531249, 32708332, 40885415, 49062498, 81770830, 98124996, 122656245, 163541660, 245312490, 490624980]

約数ペア:

[(1, 490624980), (2, 245312490), (3, 163541660), (4, 122656245), (5, 98124996), (6, 81770830), (10, 49062498), (12, 40885415), (15, 32708332), (20, 24531249), (30, 16354166), (60, 8177083), (421, 1165380), (842, 582690), (1263, 388460), (1684, 291345), (2105, 233076), (2526, 194230), (4210, 116538), (5052, 97115), (6315, 77692), (8420, 58269), (12630, 38846), (19423, 25260)]