30997180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 36063044

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 263, 284, 332, 355, 415, 526, 710, 830, 1052, 1315, 1420, 1660, 2630, 5260, 5893, 11786, 18673, 21829, 23572, 29465, 37346, 43658, 58930, 74692, 87316, 93365, 109145, 117860, 186730, 218290, 373460, 436580, 1549859, 3099718, 6199436, 7749295, 15498590, 30997180]

約数ペア:

[(1, 30997180), (2, 15498590), (4, 7749295), (5, 6199436), (10, 3099718), (20, 1549859), (71, 436580), (83, 373460), (142, 218290), (166, 186730), (263, 117860), (284, 109145), (332, 93365), (355, 87316), (415, 74692), (526, 58930), (710, 43658), (830, 37346), (1052, 29465), (1315, 23572), (1420, 21829), (1660, 18673), (2630, 11786), (5260, 5893)]