1919950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 3928320

約数和(自身を除く): 2008370

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 47, 50, 86, 94, 95, 190, 215, 235, 430, 470, 475, 817, 893, 950, 1075, 1175, 1634, 1786, 2021, 2150, 2350, 4042, 4085, 4465, 8170, 8930, 10105, 20210, 20425, 22325, 38399, 40850, 44650, 50525, 76798, 101050, 191995, 383990, 959975, 1919950]

約数ペア:

[(1, 1919950), (2, 959975), (5, 383990), (10, 191995), (19, 101050), (25, 76798), (38, 50525), (43, 44650), (47, 40850), (50, 38399), (86, 22325), (94, 20425), (95, 20210), (190, 10105), (215, 8930), (235, 8170), (430, 4465), (470, 4085), (475, 4042), (817, 2350), (893, 2150), (950, 2021), (1075, 1786), (1175, 1634)]