440800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 1171800

約数和(自身を除く): 731000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 32, 38, 40, 50, 58, 76, 80, 95, 100, 116, 145, 152, 160, 190, 200, 232, 290, 304, 380, 400, 464, 475, 551, 580, 608, 725, 760, 800, 928, 950, 1102, 1160, 1450, 1520, 1900, 2204, 2320, 2755, 2900, 3040, 3800, 4408, 4640, 5510, 5800, 7600, 8816, 11020, 11600, 13775, 15200, 17632, 22040, 23200, 27550, 44080, 55100, 88160, 110200, 220400, 440800]

約数ペア:

[(1, 440800), (2, 220400), (4, 110200), (5, 88160), (8, 55100), (10, 44080), (16, 27550), (19, 23200), (20, 22040), (25, 17632), (29, 15200), (32, 13775), (38, 11600), (40, 11020), (50, 8816), (58, 7600), (76, 5800), (80, 5510), (95, 4640), (100, 4408), (116, 3800), (145, 3040), (152, 2900), (160, 2755), (190, 2320), (200, 2204), (232, 1900), (290, 1520), (304, 1450), (380, 1160), (400, 1102), (464, 950), (475, 928), (551, 800), (580, 760), (608, 725)]