489372620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{14929}}^1$

素因数の和:15098

約数の個数: 48

約数和(自身を含む): 1128708000

約数和(自身を除く): 639335380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 14929, 16390, 29858, 32780, 59716, 74645, 149290, 164219, 298580, 328438, 656876, 821095, 1642190, 2224421, 3284380, 4448842, 8897684, 11122105, 22244210, 24468631, 44488420, 48937262, 97874524, 122343155, 244686310, 489372620]

約数ペア:

[(1, 489372620), (2, 244686310), (4, 122343155), (5, 97874524), (10, 48937262), (11, 44488420), (20, 24468631), (22, 22244210), (44, 11122105), (55, 8897684), (110, 4448842), (149, 3284380), (220, 2224421), (298, 1642190), (596, 821095), (745, 656876), (1490, 328438), (1639, 298580), (2980, 164219), (3278, 149290), (6556, 74645), (8195, 59716), (14929, 32780), (16390, 29858)]