313357450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1724

約数の個数: 72

約数和(自身を含む): 687009600

約数和(自身を除く): 373652150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 79, 98, 158, 175, 245, 350, 395, 490, 553, 790, 1106, 1225, 1619, 1975, 2450, 2765, 3238, 3871, 3950, 5530, 7742, 8095, 11333, 13825, 16190, 19355, 22666, 27650, 38710, 40475, 56665, 79331, 80950, 96775, 113330, 127901, 158662, 193550, 255802, 283325, 396655, 566650, 639505, 793310, 895307, 1279010, 1790614, 1983275, 3197525, 3966550, 4476535, 6267149, 6395050, 8953070, 12534298, 22382675, 31335745, 44765350, 62671490, 156678725, 313357450]

約数ペア:

[(1, 313357450), (2, 156678725), (5, 62671490), (7, 44765350), (10, 31335745), (14, 22382675), (25, 12534298), (35, 8953070), (49, 6395050), (50, 6267149), (70, 4476535), (79, 3966550), (98, 3197525), (158, 1983275), (175, 1790614), (245, 1279010), (350, 895307), (395, 793310), (490, 639505), (553, 566650), (790, 396655), (1106, 283325), (1225, 255802), (1619, 193550), (1975, 158662), (2450, 127901), (2765, 113330), (3238, 96775), (3871, 80950), (3950, 79331), (5530, 56665), (7742, 40475), (8095, 38710), (11333, 27650), (13825, 22666), (16190, 19355)]