197631920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{130021}}^1$

素因数の和:130053

約数の個数: 40

約数和(自身を含む): 483681840

約数和(自身を除く): 286049920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 130021, 260042, 520084, 650105, 1040168, 1300210, 2080336, 2470399, 2600420, 4940798, 5200840, 9881596, 10401680, 12351995, 19763192, 24703990, 39526384, 49407980, 98815960, 197631920]

約数ペア:

[(1, 197631920), (2, 98815960), (4, 49407980), (5, 39526384), (8, 24703990), (10, 19763192), (16, 12351995), (19, 10401680), (20, 9881596), (38, 5200840), (40, 4940798), (76, 2600420), (80, 2470399), (95, 2080336), (152, 1300210), (190, 1040168), (304, 650105), (380, 520084), (760, 260042), (1520, 130021)]