208918780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2215

約数の個数: 96

約数和(自身を含む): 544102272

約数和(自身を除く): 335183492

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 140, 164, 170, 205, 238, 287, 340, 410, 476, 574, 595, 697, 820, 1148, 1190, 1394, 1435, 2141, 2380, 2788, 2870, 3485, 4282, 4879, 5740, 6970, 8564, 9758, 10705, 13940, 14987, 19516, 21410, 24395, 29974, 36397, 42820, 48790, 59948, 72794, 74935, 87781, 97580, 145588, 149870, 175562, 181985, 254779, 299740, 351124, 363970, 438905, 509558, 614467, 727940, 877810, 1019116, 1228934, 1273895, 1492277, 1755620, 2457868, 2547790, 2984554, 3072335, 5095580, 5969108, 6144670, 7461385, 10445939, 12289340, 14922770, 20891878, 29845540, 41783756, 52229695, 104459390, 208918780]

約数ペア:

[(1, 208918780), (2, 104459390), (4, 52229695), (5, 41783756), (7, 29845540), (10, 20891878), (14, 14922770), (17, 12289340), (20, 10445939), (28, 7461385), (34, 6144670), (35, 5969108), (41, 5095580), (68, 3072335), (70, 2984554), (82, 2547790), (85, 2457868), (119, 1755620), (140, 1492277), (164, 1273895), (170, 1228934), (205, 1019116), (238, 877810), (287, 727940), (340, 614467), (410, 509558), (476, 438905), (574, 363970), (595, 351124), (697, 299740), (820, 254779), (1148, 181985), (1190, 175562), (1394, 149870), (1435, 145588), (2141, 97580), (2380, 87781), (2788, 74935), (2870, 72794), (3485, 59948), (4282, 48790), (4879, 42820), (5740, 36397), (6970, 29974), (8564, 24395), (9758, 21410), (10705, 19516), (13940, 14987)]