636020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 1723680

約数和(自身を除く): 1087660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 59, 70, 77, 98, 110, 118, 140, 154, 196, 220, 236, 245, 295, 308, 385, 413, 490, 539, 590, 649, 770, 826, 980, 1078, 1180, 1298, 1540, 1652, 2065, 2156, 2596, 2695, 2891, 3245, 4130, 4543, 5390, 5782, 6490, 8260, 9086, 10780, 11564, 12980, 14455, 18172, 22715, 28910, 31801, 45430, 57820, 63602, 90860, 127204, 159005, 318010, 636020]

約数ペア:

[(1, 636020), (2, 318010), (4, 159005), (5, 127204), (7, 90860), (10, 63602), (11, 57820), (14, 45430), (20, 31801), (22, 28910), (28, 22715), (35, 18172), (44, 14455), (49, 12980), (55, 11564), (59, 10780), (70, 9086), (77, 8260), (98, 6490), (110, 5782), (118, 5390), (140, 4543), (154, 4130), (196, 3245), (220, 2891), (236, 2695), (245, 2596), (295, 2156), (308, 2065), (385, 1652), (413, 1540), (490, 1298), (539, 1180), (590, 1078), (649, 980), (770, 826)]