890821908

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 2344160000

約数和(自身を除く): 1453338092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 199, 229, 362, 398, 458, 543, 597, 687, 724, 796, 916, 1086, 1194, 1374, 1629, 1791, 2061, 2172, 2388, 2748, 3258, 3582, 4122, 4887, 5373, 6183, 6516, 7164, 8244, 9774, 10746, 12366, 19548, 21492, 24732, 36019, 41449, 45571, 72038, 82898, 91142, 108057, 124347, 136713, 144076, 165796, 182284, 216114, 248694, 273426, 324171, 373041, 410139, 432228, 497388, 546852, 648342, 746082, 820278, 972513, 1119123, 1230417, 1296684, 1492164, 1640556, 1945026, 2238246, 2460834, 3890052, 4476492, 4921668, 8248351, 16496702, 24745053, 32993404, 49490106, 74235159, 98980212, 148470318, 222705477, 296940636, 445410954, 890821908]

約数ペア:

[(1, 890821908), (2, 445410954), (3, 296940636), (4, 222705477), (6, 148470318), (9, 98980212), (12, 74235159), (18, 49490106), (27, 32993404), (36, 24745053), (54, 16496702), (108, 8248351), (181, 4921668), (199, 4476492), (229, 3890052), (362, 2460834), (398, 2238246), (458, 1945026), (543, 1640556), (597, 1492164), (687, 1296684), (724, 1230417), (796, 1119123), (916, 972513), (1086, 820278), (1194, 746082), (1374, 648342), (1629, 546852), (1791, 497388), (2061, 432228), (2172, 410139), (2388, 373041), (2748, 324171), (3258, 273426), (3582, 248694), (4122, 216114), (4887, 182284), (5373, 165796), (6183, 144076), (6516, 136713), (7164, 124347), (8244, 108057), (9774, 91142), (10746, 82898), (12366, 72038), (19548, 45571), (21492, 41449), (24732, 36019)]