205928240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8969}}^1$

素因数の和:9030

約数の個数: 80

約数和(自身を含む): 560589120

約数和(自身を除く): 354660880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 8969, 11480, 17938, 22960, 35876, 44845, 62783, 71752, 89690, 125566, 143504, 179380, 251132, 313915, 358760, 367729, 502264, 627830, 717520, 735458, 1004528, 1255660, 1470916, 1838645, 2511320, 2574103, 2941832, 3677290, 5022640, 5148206, 5883664, 7354580, 10296412, 12870515, 14709160, 20592824, 25741030, 29418320, 41185648, 51482060, 102964120, 205928240]

約数ペア:

[(1, 205928240), (2, 102964120), (4, 51482060), (5, 41185648), (7, 29418320), (8, 25741030), (10, 20592824), (14, 14709160), (16, 12870515), (20, 10296412), (28, 7354580), (35, 5883664), (40, 5148206), (41, 5022640), (56, 3677290), (70, 2941832), (80, 2574103), (82, 2511320), (112, 1838645), (140, 1470916), (164, 1255660), (205, 1004528), (280, 735458), (287, 717520), (328, 627830), (410, 502264), (560, 367729), (574, 358760), (656, 313915), (820, 251132), (1148, 179380), (1435, 143504), (1640, 125566), (2296, 89690), (2870, 71752), (3280, 62783), (4592, 44845), (5740, 35876), (8969, 22960), (11480, 17938)]