8205050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 18892764

約数和(自身を除く): 10687714

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 70, 85, 98, 119, 170, 175, 197, 238, 245, 350, 394, 425, 490, 595, 833, 850, 985, 1190, 1225, 1379, 1666, 1970, 2450, 2758, 2975, 3349, 4165, 4925, 5950, 6698, 6895, 8330, 9653, 9850, 13790, 16745, 19306, 20825, 23443, 33490, 34475, 41650, 46886, 48265, 68950, 83725, 96530, 117215, 164101, 167450, 234430, 241325, 328202, 482650, 586075, 820505, 1172150, 1641010, 4102525, 8205050]

約数ペア:

[(1, 8205050), (2, 4102525), (5, 1641010), (7, 1172150), (10, 820505), (14, 586075), (17, 482650), (25, 328202), (34, 241325), (35, 234430), (49, 167450), (50, 164101), (70, 117215), (85, 96530), (98, 83725), (119, 68950), (170, 48265), (175, 46886), (197, 41650), (238, 34475), (245, 33490), (350, 23443), (394, 20825), (425, 19306), (490, 16745), (595, 13790), (833, 9850), (850, 9653), (985, 8330), (1190, 6895), (1225, 6698), (1379, 5950), (1666, 4925), (1970, 4165), (2450, 3349), (2758, 2975)]