68340580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 180633600

約数和(自身を除く): 112293020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 199, 220, 223, 308, 385, 398, 446, 770, 796, 892, 995, 1115, 1393, 1540, 1561, 1990, 2189, 2230, 2453, 2786, 3122, 3980, 4378, 4460, 4906, 5572, 6244, 6965, 7805, 8756, 9812, 10945, 12265, 13930, 15323, 15610, 17171, 21890, 24530, 27860, 30646, 31220, 34342, 43780, 44377, 49060, 61292, 68684, 76615, 85855, 88754, 153230, 171710, 177508, 221885, 306460, 310639, 343420, 443770, 488147, 621278, 887540, 976294, 1242556, 1553195, 1952588, 2440735, 3106390, 3417029, 4881470, 6212780, 6834058, 9762940, 13668116, 17085145, 34170290, 68340580]

約数ペア:

[(1, 68340580), (2, 34170290), (4, 17085145), (5, 13668116), (7, 9762940), (10, 6834058), (11, 6212780), (14, 4881470), (20, 3417029), (22, 3106390), (28, 2440735), (35, 1952588), (44, 1553195), (55, 1242556), (70, 976294), (77, 887540), (110, 621278), (140, 488147), (154, 443770), (199, 343420), (220, 310639), (223, 306460), (308, 221885), (385, 177508), (398, 171710), (446, 153230), (770, 88754), (796, 85855), (892, 76615), (995, 68684), (1115, 61292), (1393, 49060), (1540, 44377), (1561, 43780), (1990, 34342), (2189, 31220), (2230, 30646), (2453, 27860), (2786, 24530), (3122, 21890), (3980, 17171), (4378, 15610), (4460, 15323), (4906, 13930), (5572, 12265), (6244, 10945), (6965, 9812), (7805, 8756)]