154036420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{887}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 341631360

約数和(自身を除く): 187594940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 457, 887, 914, 1774, 1828, 2285, 3548, 4435, 4570, 8683, 8870, 9140, 16853, 17366, 17740, 33706, 34732, 43415, 67412, 84265, 86830, 168530, 173660, 337060, 405359, 810718, 1621436, 2026795, 4053590, 7701821, 8107180, 15403642, 30807284, 38509105, 77018210, 154036420]

約数ペア:

[(1, 154036420), (2, 77018210), (4, 38509105), (5, 30807284), (10, 15403642), (19, 8107180), (20, 7701821), (38, 4053590), (76, 2026795), (95, 1621436), (190, 810718), (380, 405359), (457, 337060), (887, 173660), (914, 168530), (1774, 86830), (1828, 84265), (2285, 67412), (3548, 43415), (4435, 34732), (4570, 33706), (8683, 17740), (8870, 17366), (9140, 16853)]