268969720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 626227200

約数和(自身を除く): 357257480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 632, 790, 940, 1580, 1811, 1880, 3160, 3622, 3713, 7244, 7426, 9055, 14488, 14852, 18110, 18565, 29704, 36220, 37130, 72440, 74260, 85117, 143069, 148520, 170234, 286138, 340468, 425585, 572276, 680936, 715345, 851170, 1144552, 1430690, 1702340, 2861380, 3404680, 5722760, 6724243, 13448486, 26896972, 33621215, 53793944, 67242430, 134484860, 268969720]

約数ペア:

[(1, 268969720), (2, 134484860), (4, 67242430), (5, 53793944), (8, 33621215), (10, 26896972), (20, 13448486), (40, 6724243), (47, 5722760), (79, 3404680), (94, 2861380), (158, 1702340), (188, 1430690), (235, 1144552), (316, 851170), (376, 715345), (395, 680936), (470, 572276), (632, 425585), (790, 340468), (940, 286138), (1580, 170234), (1811, 148520), (1880, 143069), (3160, 85117), (3622, 74260), (3713, 72440), (7244, 37130), (7426, 36220), (9055, 29704), (14488, 18565), (14852, 18110)]