685858030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:454

約数の個数: 128

約数和(自身を含む): 1557843840

約数和(自身を除く): 871985810

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 89, 110, 130, 143, 170, 178, 187, 221, 286, 317, 374, 442, 445, 634, 715, 890, 935, 979, 1105, 1157, 1430, 1513, 1585, 1870, 1958, 2210, 2314, 2431, 3026, 3170, 3487, 4121, 4862, 4895, 5389, 5785, 6974, 7565, 8242, 9790, 10778, 11570, 12155, 12727, 15130, 16643, 17435, 19669, 20605, 24310, 25454, 26945, 28213, 33286, 34870, 39338, 41210, 45331, 53890, 56426, 59279, 63635, 70057, 83215, 90662, 98345, 118558, 127270, 140114, 141065, 166430, 196690, 216359, 226655, 282130, 296395, 310343, 350285, 366769, 432718, 453310, 479621, 592790, 620686, 700570, 733538, 770627, 959242, 1081795, 1541254, 1551715, 1833845, 2163590, 2398105, 3103430, 3667690, 3853135, 4034459, 4796210, 5275831, 6235073, 7706270, 8068918, 10551662, 12470146, 20172295, 26379155, 31175365, 40344590, 52758310, 62350730, 68585803, 137171606, 342929015, 685858030]

約数ペア:

[(1, 685858030), (2, 342929015), (5, 137171606), (10, 68585803), (11, 62350730), (13, 52758310), (17, 40344590), (22, 31175365), (26, 26379155), (34, 20172295), (55, 12470146), (65, 10551662), (85, 8068918), (89, 7706270), (110, 6235073), (130, 5275831), (143, 4796210), (170, 4034459), (178, 3853135), (187, 3667690), (221, 3103430), (286, 2398105), (317, 2163590), (374, 1833845), (442, 1551715), (445, 1541254), (634, 1081795), (715, 959242), (890, 770627), (935, 733538), (979, 700570), (1105, 620686), (1157, 592790), (1430, 479621), (1513, 453310), (1585, 432718), (1870, 366769), (1958, 350285), (2210, 310343), (2314, 296395), (2431, 282130), (3026, 226655), (3170, 216359), (3487, 196690), (4121, 166430), (4862, 141065), (4895, 140114), (5389, 127270), (5785, 118558), (6974, 98345), (7565, 90662), (8242, 83215), (9790, 70057), (10778, 63635), (11570, 59279), (12155, 56426), (12727, 53890), (15130, 45331), (16643, 41210), (17435, 39338), (19669, 34870), (20605, 33286), (24310, 28213), (25454, 26945)]