4440340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 9797760

約数和(自身を除く): 5357420

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 71, 106, 118, 142, 212, 236, 265, 284, 295, 355, 530, 590, 710, 1060, 1180, 1420, 3127, 3763, 4189, 6254, 7526, 8378, 12508, 15052, 15635, 16756, 18815, 20945, 31270, 37630, 41890, 62540, 75260, 83780, 222017, 444034, 888068, 1110085, 2220170, 4440340]

約数ペア:

[(1, 4440340), (2, 2220170), (4, 1110085), (5, 888068), (10, 444034), (20, 222017), (53, 83780), (59, 75260), (71, 62540), (106, 41890), (118, 37630), (142, 31270), (212, 20945), (236, 18815), (265, 16756), (284, 15635), (295, 15052), (355, 12508), (530, 8378), (590, 7526), (710, 6254), (1060, 4189), (1180, 3763), (1420, 3127)]