289203440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{59263}}^1$

素因数の和:59337

約数の個数: 40

約数和(自身を含む): 683432448

約数和(自身を除く): 394229008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 59263, 118526, 237052, 296315, 474104, 592630, 948208, 1185260, 2370520, 3615043, 4741040, 7230086, 14460172, 18075215, 28920344, 36150430, 57840688, 72300860, 144601720, 289203440]

約数ペア:

[(1, 289203440), (2, 144601720), (4, 72300860), (5, 57840688), (8, 36150430), (10, 28920344), (16, 18075215), (20, 14460172), (40, 7230086), (61, 4741040), (80, 3615043), (122, 2370520), (244, 1185260), (305, 948208), (488, 592630), (610, 474104), (976, 296315), (1220, 237052), (2440, 118526), (4880, 59263)]