208651410

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 612126720

約数和(自身を除く): 403475310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 163, 165, 198, 270, 297, 326, 330, 431, 489, 495, 594, 815, 862, 978, 990, 1293, 1467, 1485, 1630, 1793, 2155, 2445, 2586, 2934, 2970, 3586, 3879, 4310, 4401, 4741, 4890, 5379, 6465, 7335, 7758, 8802, 8965, 9482, 10758, 11637, 12930, 14223, 14670, 16137, 17930, 19395, 22005, 23274, 23705, 26895, 28446, 32274, 38790, 42669, 44010, 47410, 48411, 53790, 58185, 70253, 71115, 80685, 85338, 96822, 116370, 128007, 140506, 142230, 161370, 210759, 213345, 242055, 256014, 351265, 421518, 426690, 484110, 632277, 640035, 702530, 772783, 1053795, 1264554, 1280070, 1545566, 1896831, 2107590, 2318349, 3161385, 3793662, 3863915, 4636698, 6322770, 6955047, 7727830, 9484155, 11591745, 13910094, 18968310, 20865141, 23183490, 34775235, 41730282, 69550470, 104325705, 208651410]

約数ペア:

[(1, 208651410), (2, 104325705), (3, 69550470), (5, 41730282), (6, 34775235), (9, 23183490), (10, 20865141), (11, 18968310), (15, 13910094), (18, 11591745), (22, 9484155), (27, 7727830), (30, 6955047), (33, 6322770), (45, 4636698), (54, 3863915), (55, 3793662), (66, 3161385), (90, 2318349), (99, 2107590), (110, 1896831), (135, 1545566), (163, 1280070), (165, 1264554), (198, 1053795), (270, 772783), (297, 702530), (326, 640035), (330, 632277), (431, 484110), (489, 426690), (495, 421518), (594, 351265), (815, 256014), (862, 242055), (978, 213345), (990, 210759), (1293, 161370), (1467, 142230), (1485, 140506), (1630, 128007), (1793, 116370), (2155, 96822), (2445, 85338), (2586, 80685), (2934, 71115), (2970, 70253), (3586, 58185), (3879, 53790), (4310, 48411), (4401, 47410), (4741, 44010), (4890, 42669), (5379, 38790), (6465, 32274), (7335, 28446), (7758, 26895), (8802, 23705), (8965, 23274), (9482, 22005), (10758, 19395), (11637, 17930), (12930, 16137), (14223, 14670)]