489603980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{1429}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 1058977920

約数和(自身を除く): 569373940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 463, 740, 926, 1429, 1852, 2315, 2858, 4630, 5716, 7145, 9260, 14290, 17131, 28580, 34262, 52873, 68524, 85655, 105746, 171310, 211492, 264365, 342620, 528730, 661627, 1057460, 1323254, 2646508, 3308135, 6616270, 13232540, 24480199, 48960398, 97920796, 122400995, 244801990, 489603980]

約数ペア:

[(1, 489603980), (2, 244801990), (4, 122400995), (5, 97920796), (10, 48960398), (20, 24480199), (37, 13232540), (74, 6616270), (148, 3308135), (185, 2646508), (370, 1323254), (463, 1057460), (740, 661627), (926, 528730), (1429, 342620), (1852, 264365), (2315, 211492), (2858, 171310), (4630, 105746), (5716, 85655), (7145, 68524), (9260, 52873), (14290, 34262), (17131, 28580)]