388730300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 966750624

約数和(自身を除く): 578020324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 557, 700, 997, 1114, 1994, 2228, 2785, 3899, 3988, 4985, 5570, 6979, 7798, 9970, 11140, 13925, 13958, 15596, 19495, 19940, 24925, 27850, 27916, 34895, 38990, 49850, 55700, 69790, 77980, 97475, 99700, 139580, 174475, 194950, 348950, 389900, 555329, 697900, 1110658, 2221316, 2776645, 3887303, 5553290, 7774606, 11106580, 13883225, 15549212, 19436515, 27766450, 38873030, 55532900, 77746060, 97182575, 194365150, 388730300]

約数ペア:

[(1, 388730300), (2, 194365150), (4, 97182575), (5, 77746060), (7, 55532900), (10, 38873030), (14, 27766450), (20, 19436515), (25, 15549212), (28, 13883225), (35, 11106580), (50, 7774606), (70, 5553290), (100, 3887303), (140, 2776645), (175, 2221316), (350, 1110658), (557, 697900), (700, 555329), (997, 389900), (1114, 348950), (1994, 194950), (2228, 174475), (2785, 139580), (3899, 99700), (3988, 97475), (4985, 77980), (5570, 69790), (6979, 55700), (7798, 49850), (9970, 38990), (11140, 34895), (13925, 27916), (13958, 27850), (15596, 24925), (19495, 19940)]