4390020

素因数分解:

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

素因数の和:102

約数の個数: 72

約数和(自身を含む): 13791960

約数和(自身を除く): 9401940

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, 841, 870, 1044, 1305, 1682, 1740, 2523, 2610, 3364, 4205, 5046, 5220, 7569, 8410, 10092, 12615, 15138, 16820, 24389, 25230, 30276, 37845, 48778, 50460, 73167, 75690, 97556, 121945, 146334, 151380, 219501, 243890, 292668, 365835, 439002, 487780, 731670, 878004, 1097505, 1463340, 2195010, 4390020]

約数ペア:

[(1, 4390020), (2, 2195010), (3, 1463340), (4, 1097505), (5, 878004), (6, 731670), (9, 487780), (10, 439002), (12, 365835), (15, 292668), (18, 243890), (20, 219501), (29, 151380), (30, 146334), (36, 121945), (45, 97556), (58, 75690), (60, 73167), (87, 50460), (90, 48778), (116, 37845), (145, 30276), (174, 25230), (180, 24389), (261, 16820), (290, 15138), (348, 12615), (435, 10092), (522, 8410), (580, 7569), (841, 5220), (870, 5046), (1044, 4205), (1305, 3364), (1682, 2610), (1740, 2523)]