42011620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 103650624

約数和(自身を除く): 61639004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 263, 326, 490, 526, 652, 815, 980, 1052, 1141, 1315, 1630, 1841, 2282, 2630, 3260, 3682, 4564, 5260, 5705, 7364, 7987, 9205, 11410, 12887, 15974, 18410, 22820, 25774, 31948, 36820, 39935, 42869, 51548, 64435, 79870, 85738, 128870, 159740, 171476, 214345, 257740, 300083, 428690, 600166, 857380, 1200332, 1500415, 2100581, 3000830, 4201162, 6001660, 8402324, 10502905, 21005810, 42011620]

約数ペア:

[(1, 42011620), (2, 21005810), (4, 10502905), (5, 8402324), (7, 6001660), (10, 4201162), (14, 3000830), (20, 2100581), (28, 1500415), (35, 1200332), (49, 857380), (70, 600166), (98, 428690), (140, 300083), (163, 257740), (196, 214345), (245, 171476), (263, 159740), (326, 128870), (490, 85738), (526, 79870), (652, 64435), (815, 51548), (980, 42869), (1052, 39935), (1141, 36820), (1315, 31948), (1630, 25774), (1841, 22820), (2282, 18410), (2630, 15974), (3260, 12887), (3682, 11410), (4564, 9205), (5260, 7987), (5705, 7364)]