8741900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 20623680

約数和(自身を除く): 11881780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 107, 172, 190, 214, 215, 380, 428, 430, 475, 535, 817, 860, 950, 1070, 1075, 1634, 1900, 2033, 2140, 2150, 2675, 3268, 4066, 4085, 4300, 4601, 5350, 8132, 8170, 9202, 10165, 10700, 16340, 18404, 20330, 20425, 23005, 40660, 40850, 46010, 50825, 81700, 87419, 92020, 101650, 115025, 174838, 203300, 230050, 349676, 437095, 460100, 874190, 1748380, 2185475, 4370950, 8741900]

約数ペア:

[(1, 8741900), (2, 4370950), (4, 2185475), (5, 1748380), (10, 874190), (19, 460100), (20, 437095), (25, 349676), (38, 230050), (43, 203300), (50, 174838), (76, 115025), (86, 101650), (95, 92020), (100, 87419), (107, 81700), (172, 50825), (190, 46010), (214, 40850), (215, 40660), (380, 23005), (428, 20425), (430, 20330), (475, 18404), (535, 16340), (817, 10700), (860, 10165), (950, 9202), (1070, 8170), (1075, 8132), (1634, 5350), (1900, 4601), (2033, 4300), (2140, 4085), (2150, 4066), (2675, 3268)]