249510580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1721}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 572806080

約数和(自身を除く): 323295500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659, 1318, 1721, 2636, 3295, 3442, 6590, 6884, 7249, 8605, 13180, 14498, 17210, 18931, 28996, 34420, 36245, 37862, 72490, 75724, 94655, 144980, 189310, 378620, 1134139, 2268278, 4536556, 5670695, 11341390, 12475529, 22682780, 24951058, 49902116, 62377645, 124755290, 249510580]

約数ペア:

[(1, 249510580), (2, 124755290), (4, 62377645), (5, 49902116), (10, 24951058), (11, 22682780), (20, 12475529), (22, 11341390), (44, 5670695), (55, 4536556), (110, 2268278), (220, 1134139), (659, 378620), (1318, 189310), (1721, 144980), (2636, 94655), (3295, 75724), (3442, 72490), (6590, 37862), (6884, 36245), (7249, 34420), (8605, 28996), (13180, 18931), (14498, 17210)]