90888400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{11959}}^1$

素因数の和:11996

約数の個数: 60

約数和(自身を含む): 229871200

約数和(自身を除く): 138982800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 11959, 23918, 47836, 59795, 95672, 119590, 191344, 227221, 239180, 298975, 454442, 478360, 597950, 908884, 956720, 1136105, 1195900, 1817768, 2272210, 2391800, 3635536, 4544420, 4783600, 5680525, 9088840, 11361050, 18177680, 22722100, 45444200, 90888400]

約数ペア:

[(1, 90888400), (2, 45444200), (4, 22722100), (5, 18177680), (8, 11361050), (10, 9088840), (16, 5680525), (19, 4783600), (20, 4544420), (25, 3635536), (38, 2391800), (40, 2272210), (50, 1817768), (76, 1195900), (80, 1136105), (95, 956720), (100, 908884), (152, 597950), (190, 478360), (200, 454442), (304, 298975), (380, 239180), (400, 227221), (475, 191344), (760, 119590), (950, 95672), (1520, 59795), (1900, 47836), (3800, 23918), (7600, 11959)]