2019468740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 4441651200

約数和(自身を除く): 2422182460

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 101, 178, 188, 202, 235, 239, 356, 404, 445, 470, 478, 505, 890, 940, 956, 1010, 1195, 1780, 2020, 2390, 4183, 4747, 4780, 8366, 8989, 9494, 11233, 16732, 17978, 18988, 20915, 21271, 22466, 23735, 24139, 35956, 41830, 42542, 44932, 44945, 47470, 48278, 56165, 83660, 85084, 89890, 94940, 96556, 106355, 112330, 120695, 179780, 212710, 224660, 241390, 422483, 425420, 482780, 844966, 999737, 1134533, 1689932, 1999474, 2112415, 2148371, 2269066, 3998948, 4224830, 4296742, 4538132, 4998685, 5672665, 8449660, 8593484, 9997370, 10741855, 11345330, 19994740, 21483710, 22690660, 42967420, 100973437, 201946874, 403893748, 504867185, 1009734370, 2019468740]

約数ペア:

[(1, 2019468740), (2, 1009734370), (4, 504867185), (5, 403893748), (10, 201946874), (20, 100973437), (47, 42967420), (89, 22690660), (94, 21483710), (101, 19994740), (178, 11345330), (188, 10741855), (202, 9997370), (235, 8593484), (239, 8449660), (356, 5672665), (404, 4998685), (445, 4538132), (470, 4296742), (478, 4224830), (505, 3998948), (890, 2269066), (940, 2148371), (956, 2112415), (1010, 1999474), (1195, 1689932), (1780, 1134533), (2020, 999737), (2390, 844966), (4183, 482780), (4747, 425420), (4780, 422483), (8366, 241390), (8989, 224660), (9494, 212710), (11233, 179780), (16732, 120695), (17978, 112330), (18988, 106355), (20915, 96556), (21271, 94940), (22466, 89890), (23735, 85084), (24139, 83660), (35956, 56165), (41830, 48278), (42542, 47470), (44932, 44945)]