201100820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7487}}^1$

素因数の和:7592

約数の個数: 48

約数和(自身を含む): 452874240

約数和(自身を除く): 251773420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 7487, 13430, 14974, 26860, 29948, 37435, 74870, 127279, 149740, 254558, 509116, 591473, 636395, 1182946, 1272790, 2365892, 2545580, 2957365, 5914730, 10055041, 11829460, 20110082, 40220164, 50275205, 100550410, 201100820]

約数ペア:

[(1, 201100820), (2, 100550410), (4, 50275205), (5, 40220164), (10, 20110082), (17, 11829460), (20, 10055041), (34, 5914730), (68, 2957365), (79, 2545580), (85, 2365892), (158, 1272790), (170, 1182946), (316, 636395), (340, 591473), (395, 509116), (790, 254558), (1343, 149740), (1580, 127279), (2686, 74870), (5372, 37435), (6715, 29948), (7487, 26860), (13430, 14974)]