403278800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1213

約数の個数: 120

約数和(自身を含む): 1042492800

約数和(自身を除く): 639214000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 47, 50, 76, 80, 94, 95, 100, 152, 188, 190, 200, 235, 304, 376, 380, 400, 470, 475, 752, 760, 893, 940, 950, 1129, 1175, 1520, 1786, 1880, 1900, 2258, 2350, 3572, 3760, 3800, 4465, 4516, 4700, 5645, 7144, 7600, 8930, 9032, 9400, 11290, 14288, 17860, 18064, 18800, 21451, 22325, 22580, 28225, 35720, 42902, 44650, 45160, 53063, 56450, 71440, 85804, 89300, 90320, 106126, 107255, 112900, 171608, 178600, 212252, 214510, 225800, 265315, 343216, 357200, 424504, 429020, 451600, 530630, 536275, 849008, 858040, 1008197, 1061260, 1072550, 1326575, 1716080, 2016394, 2122520, 2145100, 2653150, 4032788, 4245040, 4290200, 5040985, 5306300, 8065576, 8580400, 10081970, 10612600, 16131152, 20163940, 21225200, 25204925, 40327880, 50409850, 80655760, 100819700, 201639400, 403278800]

約数ペア:

[(1, 403278800), (2, 201639400), (4, 100819700), (5, 80655760), (8, 50409850), (10, 40327880), (16, 25204925), (19, 21225200), (20, 20163940), (25, 16131152), (38, 10612600), (40, 10081970), (47, 8580400), (50, 8065576), (76, 5306300), (80, 5040985), (94, 4290200), (95, 4245040), (100, 4032788), (152, 2653150), (188, 2145100), (190, 2122520), (200, 2016394), (235, 1716080), (304, 1326575), (376, 1072550), (380, 1061260), (400, 1008197), (470, 858040), (475, 849008), (752, 536275), (760, 530630), (893, 451600), (940, 429020), (950, 424504), (1129, 357200), (1175, 343216), (1520, 265315), (1786, 225800), (1880, 214510), (1900, 212252), (2258, 178600), (2350, 171608), (3572, 112900), (3760, 107255), (3800, 106126), (4465, 90320), (4516, 89300), (4700, 85804), (5645, 71440), (7144, 56450), (7600, 53063), (8930, 45160), (9032, 44650), (9400, 42902), (11290, 35720), (14288, 28225), (17860, 22580), (18064, 22325), (18800, 21451)]