255405640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:755

約数の個数: 96

約数和(自身を含む): 672235200

約数和(自身を除く): 416829560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 311, 392, 419, 490, 622, 838, 980, 1244, 1555, 1676, 1960, 2095, 2177, 2488, 2933, 3110, 3352, 4190, 4354, 5866, 6220, 8380, 8708, 10885, 11732, 12440, 14665, 15239, 16760, 17416, 20531, 21770, 23464, 29330, 30478, 41062, 43540, 58660, 60956, 76195, 82124, 87080, 102655, 117320, 121912, 130309, 152390, 164248, 205310, 260618, 304780, 410620, 521236, 609560, 651545, 821240, 912163, 1042472, 1303090, 1824326, 2606180, 3648652, 4560815, 5212360, 6385141, 7297304, 9121630, 12770282, 18243260, 25540564, 31925705, 36486520, 51081128, 63851410, 127702820, 255405640]

約数ペア:

[(1, 255405640), (2, 127702820), (4, 63851410), (5, 51081128), (7, 36486520), (8, 31925705), (10, 25540564), (14, 18243260), (20, 12770282), (28, 9121630), (35, 7297304), (40, 6385141), (49, 5212360), (56, 4560815), (70, 3648652), (98, 2606180), (140, 1824326), (196, 1303090), (245, 1042472), (280, 912163), (311, 821240), (392, 651545), (419, 609560), (490, 521236), (622, 410620), (838, 304780), (980, 260618), (1244, 205310), (1555, 164248), (1676, 152390), (1960, 130309), (2095, 121912), (2177, 117320), (2488, 102655), (2933, 87080), (3110, 82124), (3352, 76195), (4190, 60956), (4354, 58660), (5866, 43540), (6220, 41062), (8380, 30478), (8708, 29330), (10885, 23464), (11732, 21770), (12440, 20531), (14665, 17416), (15239, 16760)]