198996920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1327}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 470430720

約数和(自身を除く): 271433800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 163, 184, 230, 326, 460, 652, 815, 920, 1304, 1327, 1630, 2654, 3260, 3749, 5308, 6520, 6635, 7498, 10616, 13270, 14996, 18745, 26540, 29992, 30521, 37490, 53080, 61042, 74980, 122084, 149960, 152605, 216301, 244168, 305210, 432602, 610420, 865204, 1081505, 1220840, 1730408, 2163010, 4326020, 4974923, 8652040, 9949846, 19899692, 24874615, 39799384, 49749230, 99498460, 198996920]

約数ペア:

[(1, 198996920), (2, 99498460), (4, 49749230), (5, 39799384), (8, 24874615), (10, 19899692), (20, 9949846), (23, 8652040), (40, 4974923), (46, 4326020), (92, 2163010), (115, 1730408), (163, 1220840), (184, 1081505), (230, 865204), (326, 610420), (460, 432602), (652, 305210), (815, 244168), (920, 216301), (1304, 152605), (1327, 149960), (1630, 122084), (2654, 74980), (3260, 61042), (3749, 53080), (5308, 37490), (6520, 30521), (6635, 29992), (7498, 26540), (10616, 18745), (13270, 14996)]