7448420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 18119808

約数和(自身を除く): 10671388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 641, 830, 1162, 1282, 1660, 2324, 2564, 2905, 3205, 4487, 5810, 6410, 8974, 11620, 12820, 17948, 22435, 44870, 53203, 89740, 106406, 212812, 266015, 372421, 532030, 744842, 1064060, 1489684, 1862105, 3724210, 7448420]

約数ペア:

[(1, 7448420), (2, 3724210), (4, 1862105), (5, 1489684), (7, 1064060), (10, 744842), (14, 532030), (20, 372421), (28, 266015), (35, 212812), (70, 106406), (83, 89740), (140, 53203), (166, 44870), (332, 22435), (415, 17948), (581, 12820), (641, 11620), (830, 8974), (1162, 6410), (1282, 5810), (1660, 4487), (2324, 3205), (2564, 2905)]