889994340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{170497}}^1$

素因数の和:170541

約数の個数: 72

約数和(自身を含む): 2792757240

約数和(自身を除く): 1902762900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 170497, 340994, 511491, 681988, 852485, 1022982, 1534473, 1704970, 2045964, 2557455, 3068946, 3409940, 4944413, 5114910, 6137892, 7672365, 9888826, 10229820, 14833239, 15344730, 19777652, 24722065, 29666478, 30689460, 44499717, 49444130, 59332956, 74166195, 88999434, 98888260, 148332390, 177998868, 222498585, 296664780, 444997170, 889994340]

約数ペア:

[(1, 889994340), (2, 444997170), (3, 296664780), (4, 222498585), (5, 177998868), (6, 148332390), (9, 98888260), (10, 88999434), (12, 74166195), (15, 59332956), (18, 49444130), (20, 44499717), (29, 30689460), (30, 29666478), (36, 24722065), (45, 19777652), (58, 15344730), (60, 14833239), (87, 10229820), (90, 9888826), (116, 7672365), (145, 6137892), (174, 5114910), (180, 4944413), (261, 3409940), (290, 3068946), (348, 2557455), (435, 2045964), (522, 1704970), (580, 1534473), (870, 1022982), (1044, 852485), (1305, 681988), (1740, 511491), (2610, 340994), (5220, 170497)]