2018804740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1493}}^1$

素因数の和:1657

約数の個数: 96

約数和(自身を含む): 4648873824

約数和(自身を除く): 2630069084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 97, 164, 170, 194, 205, 340, 388, 410, 485, 697, 820, 970, 1394, 1493, 1649, 1940, 2788, 2986, 3298, 3485, 3977, 5972, 6596, 6970, 7465, 7954, 8245, 13940, 14930, 15908, 16490, 19885, 25381, 29860, 32980, 39770, 50762, 61213, 67609, 79540, 101524, 122426, 126905, 135218, 144821, 244852, 253810, 270436, 289642, 306065, 338045, 507620, 579284, 612130, 676090, 724105, 1040621, 1224260, 1352180, 1448210, 2081242, 2461957, 2896420, 4162484, 4923914, 5203105, 5937661, 9847828, 10406210, 11875322, 12309785, 20812420, 23750644, 24619570, 29688305, 49239140, 59376610, 100940237, 118753220, 201880474, 403760948, 504701185, 1009402370, 2018804740]

約数ペア:

[(1, 2018804740), (2, 1009402370), (4, 504701185), (5, 403760948), (10, 201880474), (17, 118753220), (20, 100940237), (34, 59376610), (41, 49239140), (68, 29688305), (82, 24619570), (85, 23750644), (97, 20812420), (164, 12309785), (170, 11875322), (194, 10406210), (205, 9847828), (340, 5937661), (388, 5203105), (410, 4923914), (485, 4162484), (697, 2896420), (820, 2461957), (970, 2081242), (1394, 1448210), (1493, 1352180), (1649, 1224260), (1940, 1040621), (2788, 724105), (2986, 676090), (3298, 612130), (3485, 579284), (3977, 507620), (5972, 338045), (6596, 306065), (6970, 289642), (7465, 270436), (7954, 253810), (8245, 244852), (13940, 144821), (14930, 135218), (15908, 126905), (16490, 122426), (19885, 101524), (25381, 79540), (29860, 67609), (32980, 61213), (39770, 50762)]