280140700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 731453184

約数和(自身を除く): 451312484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 43, 50, 70, 82, 86, 100, 140, 164, 172, 175, 205, 215, 227, 287, 301, 350, 410, 430, 454, 574, 602, 700, 820, 860, 908, 1025, 1075, 1135, 1148, 1204, 1435, 1505, 1589, 1763, 2050, 2150, 2270, 2870, 3010, 3178, 3526, 4100, 4300, 4540, 5675, 5740, 6020, 6356, 7052, 7175, 7525, 7945, 8815, 9307, 9761, 11350, 12341, 14350, 15050, 15890, 17630, 18614, 19522, 22700, 24682, 28700, 30100, 31780, 35260, 37228, 39044, 39725, 44075, 46535, 48805, 49364, 61705, 65149, 68327, 79450, 88150, 93070, 97610, 123410, 130298, 136654, 158900, 176300, 186140, 195220, 232675, 244025, 246820, 260596, 273308, 308525, 325745, 341635, 400201, 465350, 488050, 617050, 651490, 683270, 800402, 930700, 976100, 1234100, 1302980, 1366540, 1600804, 1628725, 1708175, 2001005, 2801407, 3257450, 3416350, 4002010, 5602814, 6514900, 6832700, 8004020, 10005025, 11205628, 14007035, 20010050, 28014070, 40020100, 56028140, 70035175, 140070350, 280140700]

約数ペア:

[(1, 280140700), (2, 140070350), (4, 70035175), (5, 56028140), (7, 40020100), (10, 28014070), (14, 20010050), (20, 14007035), (25, 11205628), (28, 10005025), (35, 8004020), (41, 6832700), (43, 6514900), (50, 5602814), (70, 4002010), (82, 3416350), (86, 3257450), (100, 2801407), (140, 2001005), (164, 1708175), (172, 1628725), (175, 1600804), (205, 1366540), (215, 1302980), (227, 1234100), (287, 976100), (301, 930700), (350, 800402), (410, 683270), (430, 651490), (454, 617050), (574, 488050), (602, 465350), (700, 400201), (820, 341635), (860, 325745), (908, 308525), (1025, 273308), (1075, 260596), (1135, 246820), (1148, 244025), (1204, 232675), (1435, 195220), (1505, 186140), (1589, 176300), (1763, 158900), (2050, 136654), (2150, 130298), (2270, 123410), (2870, 97610), (3010, 93070), (3178, 88150), (3526, 79450), (4100, 68327), (4300, 65149), (4540, 61705), (5675, 49364), (5740, 48805), (6020, 46535), (6356, 44075), (7052, 39725), (7175, 39044), (7525, 37228), (7945, 35260), (8815, 31780), (9307, 30100), (9761, 28700), (11350, 24682), (12341, 22700), (14350, 19522), (15050, 18614), (15890, 17630)]