199211580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1$

素因数の和:1944

約数の個数: 144

約数和(自身を含む): 656947200

約数和(自身を除く): 457735620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 1879, 2356, 2790, 2945, 3420, 3534, 3758, 5301, 5580, 5637, 5890, 7068, 7516, 8835, 9395, 10602, 11274, 11780, 16911, 17670, 18790, 21204, 22548, 26505, 28185, 33822, 35340, 35701, 37580, 53010, 56370, 58249, 67644, 71402, 84555, 106020, 107103, 112740, 116498, 142804, 169110, 174747, 178505, 214206, 232996, 291245, 321309, 338220, 349494, 357010, 428412, 524241, 535515, 582490, 642618, 698988, 714020, 873735, 1048482, 1071030, 1106731, 1164980, 1285236, 1606545, 1747470, 2096964, 2142060, 2213462, 2621205, 3213090, 3320193, 3494940, 4426924, 5242410, 5533655, 6426180, 6640386, 9960579, 10484820, 11067310, 13280772, 16600965, 19921158, 22134620, 33201930, 39842316, 49802895, 66403860, 99605790, 199211580]

約数ペア:

[(1, 199211580), (2, 99605790), (3, 66403860), (4, 49802895), (5, 39842316), (6, 33201930), (9, 22134620), (10, 19921158), (12, 16600965), (15, 13280772), (18, 11067310), (19, 10484820), (20, 9960579), (30, 6640386), (31, 6426180), (36, 5533655), (38, 5242410), (45, 4426924), (57, 3494940), (60, 3320193), (62, 3213090), (76, 2621205), (90, 2213462), (93, 2142060), (95, 2096964), (114, 1747470), (124, 1606545), (155, 1285236), (171, 1164980), (180, 1106731), (186, 1071030), (190, 1048482), (228, 873735), (279, 714020), (285, 698988), (310, 642618), (342, 582490), (372, 535515), (380, 524241), (465, 428412), (558, 357010), (570, 349494), (589, 338220), (620, 321309), (684, 291245), (855, 232996), (930, 214206), (1116, 178505), (1140, 174747), (1178, 169110), (1395, 142804), (1710, 116498), (1767, 112740), (1860, 107103), (1879, 106020), (2356, 84555), (2790, 71402), (2945, 67644), (3420, 58249), (3534, 56370), (3758, 53010), (5301, 37580), (5580, 35701), (5637, 35340), (5890, 33822), (7068, 28185), (7516, 26505), (8835, 22548), (9395, 21204), (10602, 18790), (11274, 17670), (11780, 16911)]