201030980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 429710400

約数和(自身を除く): 228679420

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 347, 349, 415, 694, 698, 830, 1388, 1396, 1660, 1735, 1745, 3470, 3490, 6940, 6980, 28801, 28967, 57602, 57934, 115204, 115868, 121103, 144005, 144835, 242206, 288010, 289670, 484412, 576020, 579340, 605515, 1211030, 2422060, 10051549, 20103098, 40206196, 50257745, 100515490, 201030980]

約数ペア:

[(1, 201030980), (2, 100515490), (4, 50257745), (5, 40206196), (10, 20103098), (20, 10051549), (83, 2422060), (166, 1211030), (332, 605515), (347, 579340), (349, 576020), (415, 484412), (694, 289670), (698, 288010), (830, 242206), (1388, 144835), (1396, 144005), (1660, 121103), (1735, 115868), (1745, 115204), (3470, 57934), (3490, 57602), (6940, 28967), (6980, 28801)]