248826820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 578151000

約数和(自身を除く): 329324180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 229, 242, 449, 458, 484, 605, 898, 916, 1145, 1210, 1796, 2245, 2290, 2420, 2519, 4490, 4580, 4939, 5038, 8980, 9878, 10076, 12595, 19756, 24695, 25190, 27709, 49390, 50380, 54329, 55418, 98780, 102821, 108658, 110836, 138545, 205642, 217316, 271645, 277090, 411284, 514105, 543290, 554180, 1028210, 1086580, 1131031, 2056420, 2262062, 4524124, 5655155, 11310310, 12441341, 22620620, 24882682, 49765364, 62206705, 124413410, 248826820]

約数ペア:

[(1, 248826820), (2, 124413410), (4, 62206705), (5, 49765364), (10, 24882682), (11, 22620620), (20, 12441341), (22, 11310310), (44, 5655155), (55, 4524124), (110, 2262062), (121, 2056420), (220, 1131031), (229, 1086580), (242, 1028210), (449, 554180), (458, 543290), (484, 514105), (605, 411284), (898, 277090), (916, 271645), (1145, 217316), (1210, 205642), (1796, 138545), (2245, 110836), (2290, 108658), (2420, 102821), (2519, 98780), (4490, 55418), (4580, 54329), (4939, 50380), (5038, 49390), (8980, 27709), (9878, 25190), (10076, 24695), (12595, 19756)]