2401720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{619}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 5468400

約数和(自身を除く): 3066680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 619, 776, 970, 1238, 1940, 2476, 3095, 3880, 4952, 6190, 12380, 24760, 60043, 120086, 240172, 300215, 480344, 600430, 1200860, 2401720]

約数ペア:

[(1, 2401720), (2, 1200860), (4, 600430), (5, 480344), (8, 300215), (10, 240172), (20, 120086), (40, 60043), (97, 24760), (194, 12380), (388, 6190), (485, 4952), (619, 3880), (776, 3095), (970, 2476), (1238, 1940)]