505078420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2273

約数の個数: 96

約数和(自身を含む): 1331447040

約数和(自身を除く): 826368620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 157, 220, 308, 314, 385, 628, 770, 785, 1099, 1540, 1570, 1727, 2089, 2198, 3140, 3454, 4178, 4396, 5495, 6908, 8356, 8635, 10445, 10990, 12089, 14623, 17270, 20890, 21980, 22979, 24178, 29246, 34540, 41780, 45958, 48356, 58492, 60445, 73115, 91916, 114895, 120890, 146230, 160853, 229790, 241780, 292460, 321706, 327973, 459580, 643412, 655946, 804265, 1311892, 1608530, 1639865, 2295811, 3217060, 3279730, 3607703, 4591622, 6559460, 7215406, 9183244, 11479055, 14430812, 18038515, 22958110, 25253921, 36077030, 45916220, 50507842, 72154060, 101015684, 126269605, 252539210, 505078420]

約数ペア:

[(1, 505078420), (2, 252539210), (4, 126269605), (5, 101015684), (7, 72154060), (10, 50507842), (11, 45916220), (14, 36077030), (20, 25253921), (22, 22958110), (28, 18038515), (35, 14430812), (44, 11479055), (55, 9183244), (70, 7215406), (77, 6559460), (110, 4591622), (140, 3607703), (154, 3279730), (157, 3217060), (220, 2295811), (308, 1639865), (314, 1608530), (385, 1311892), (628, 804265), (770, 655946), (785, 643412), (1099, 459580), (1540, 327973), (1570, 321706), (1727, 292460), (2089, 241780), (2198, 229790), (3140, 160853), (3454, 146230), (4178, 120890), (4396, 114895), (5495, 91916), (6908, 73115), (8356, 60445), (8635, 58492), (10445, 48356), (10990, 45958), (12089, 41780), (14623, 34540), (17270, 29246), (20890, 24178), (21980, 22979)]