402648290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 821705472

約数和(自身を除く): 419057182

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 73, 82, 110, 146, 205, 365, 410, 451, 730, 803, 902, 1223, 1606, 2255, 2446, 2993, 4015, 4510, 5986, 6115, 8030, 12230, 13453, 14965, 26906, 29930, 32923, 50143, 65846, 67265, 89279, 100286, 134530, 164615, 178558, 250715, 329230, 446395, 501430, 551573, 892790, 982069, 1103146, 1964138, 2757865, 3660439, 4910345, 5515730, 7320878, 9820690, 18302195, 36604390, 40264829, 80529658, 201324145, 402648290]

約数ペア:

[(1, 402648290), (2, 201324145), (5, 80529658), (10, 40264829), (11, 36604390), (22, 18302195), (41, 9820690), (55, 7320878), (73, 5515730), (82, 4910345), (110, 3660439), (146, 2757865), (205, 1964138), (365, 1103146), (410, 982069), (451, 892790), (730, 551573), (803, 501430), (902, 446395), (1223, 329230), (1606, 250715), (2255, 178558), (2446, 164615), (2993, 134530), (4015, 100286), (4510, 89279), (5986, 67265), (6115, 65846), (8030, 50143), (12230, 32923), (13453, 29930), (14965, 26906)]