28576940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 72382464

約数和(自身を除く): 43805524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 47, 70, 86, 94, 101, 140, 172, 188, 202, 215, 235, 301, 329, 404, 430, 470, 505, 602, 658, 707, 860, 940, 1010, 1204, 1316, 1414, 1505, 1645, 2020, 2021, 2828, 3010, 3290, 3535, 4042, 4343, 4747, 6020, 6580, 7070, 8084, 8686, 9494, 10105, 14140, 14147, 17372, 18988, 20210, 21715, 23735, 28294, 30401, 33229, 40420, 43430, 47470, 56588, 60802, 66458, 70735, 86860, 94940, 121604, 132916, 141470, 152005, 166145, 204121, 282940, 304010, 332290, 408242, 608020, 664580, 816484, 1020605, 1428847, 2041210, 2857694, 4082420, 5715388, 7144235, 14288470, 28576940]

約数ペア:

[(1, 28576940), (2, 14288470), (4, 7144235), (5, 5715388), (7, 4082420), (10, 2857694), (14, 2041210), (20, 1428847), (28, 1020605), (35, 816484), (43, 664580), (47, 608020), (70, 408242), (86, 332290), (94, 304010), (101, 282940), (140, 204121), (172, 166145), (188, 152005), (202, 141470), (215, 132916), (235, 121604), (301, 94940), (329, 86860), (404, 70735), (430, 66458), (470, 60802), (505, 56588), (602, 47470), (658, 43430), (707, 40420), (860, 33229), (940, 30401), (1010, 28294), (1204, 23735), (1316, 21715), (1414, 20210), (1505, 18988), (1645, 17372), (2020, 14147), (2021, 14140), (2828, 10105), (3010, 9494), (3290, 8686), (3535, 8084), (4042, 7070), (4343, 6580), (4747, 6020)]