28208460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1429}}^1$

素因数の和:1495

約数の個数: 96

約数和(自身を含む): 92252160

約数和(自身を除く): 64043700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 987, 1316, 1410, 1429, 1645, 1974, 2820, 2858, 3290, 3948, 4287, 4935, 5716, 6580, 7145, 8574, 9870, 10003, 14290, 17148, 19740, 20006, 21435, 28580, 30009, 40012, 42870, 50015, 60018, 67163, 85740, 100030, 120036, 134326, 150045, 200060, 201489, 268652, 300090, 335815, 402978, 470141, 600180, 671630, 805956, 940282, 1007445, 1343260, 1410423, 1880564, 2014890, 2350705, 2820846, 4029780, 4701410, 5641692, 7052115, 9402820, 14104230, 28208460]

約数ペア:

[(1, 28208460), (2, 14104230), (3, 9402820), (4, 7052115), (5, 5641692), (6, 4701410), (7, 4029780), (10, 2820846), (12, 2350705), (14, 2014890), (15, 1880564), (20, 1410423), (21, 1343260), (28, 1007445), (30, 940282), (35, 805956), (42, 671630), (47, 600180), (60, 470141), (70, 402978), (84, 335815), (94, 300090), (105, 268652), (140, 201489), (141, 200060), (188, 150045), (210, 134326), (235, 120036), (282, 100030), (329, 85740), (420, 67163), (470, 60018), (564, 50015), (658, 42870), (705, 40012), (940, 30009), (987, 28580), (1316, 21435), (1410, 20006), (1429, 19740), (1645, 17148), (1974, 14290), (2820, 10003), (2858, 9870), (3290, 8574), (3948, 7145), (4287, 6580), (4935, 5716)]