208795788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 589388800

約数和(自身を除く): 380593012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 43, 57, 62, 76, 86, 93, 114, 124, 129, 171, 172, 186, 228, 229, 258, 279, 342, 372, 387, 458, 516, 558, 589, 684, 687, 774, 817, 916, 1116, 1178, 1333, 1374, 1548, 1634, 1767, 2061, 2356, 2451, 2666, 2748, 3268, 3534, 3999, 4122, 4351, 4902, 5301, 5332, 7068, 7099, 7353, 7998, 8244, 8702, 9804, 9847, 10602, 11997, 13053, 14198, 14706, 15996, 17404, 19694, 21204, 21297, 23994, 25327, 26106, 28396, 29412, 29541, 39159, 39388, 42594, 47988, 50654, 52212, 59082, 63891, 75981, 78318, 85188, 88623, 101308, 118164, 127782, 134881, 151962, 156636, 177246, 187093, 227943, 255564, 269762, 303924, 305257, 354492, 374186, 404643, 455886, 539524, 561279, 610514, 748372, 809286, 911772, 915771, 1122558, 1213929, 1221028, 1618572, 1683837, 1831542, 2245116, 2427858, 2747313, 3367674, 3663084, 4855716, 5494626, 5799883, 6735348, 10989252, 11599766, 17399649, 23199532, 34799298, 52198947, 69598596, 104397894, 208795788]

約数ペア:

[(1, 208795788), (2, 104397894), (3, 69598596), (4, 52198947), (6, 34799298), (9, 23199532), (12, 17399649), (18, 11599766), (19, 10989252), (31, 6735348), (36, 5799883), (38, 5494626), (43, 4855716), (57, 3663084), (62, 3367674), (76, 2747313), (86, 2427858), (93, 2245116), (114, 1831542), (124, 1683837), (129, 1618572), (171, 1221028), (172, 1213929), (186, 1122558), (228, 915771), (229, 911772), (258, 809286), (279, 748372), (342, 610514), (372, 561279), (387, 539524), (458, 455886), (516, 404643), (558, 374186), (589, 354492), (684, 305257), (687, 303924), (774, 269762), (817, 255564), (916, 227943), (1116, 187093), (1178, 177246), (1333, 156636), (1374, 151962), (1548, 134881), (1634, 127782), (1767, 118164), (2061, 101308), (2356, 88623), (2451, 85188), (2666, 78318), (2748, 75981), (3268, 63891), (3534, 59082), (3999, 52212), (4122, 50654), (4351, 47988), (4902, 42594), (5301, 39388), (5332, 39159), (7068, 29541), (7099, 29412), (7353, 28396), (7998, 26106), (8244, 25327), (8702, 23994), (9804, 21297), (9847, 21204), (10602, 19694), (11997, 17404), (13053, 15996), (14198, 14706)]