904008040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:983

約数の個数: 96

約数和(自身を含む): 2218113720

約数和(自身を除く): 1314105680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 173, 260, 338, 346, 520, 676, 692, 773, 845, 865, 1352, 1384, 1546, 1690, 1730, 2249, 3092, 3380, 3460, 3865, 4498, 6184, 6760, 6920, 7730, 8996, 10049, 11245, 15460, 17992, 20098, 22490, 29237, 30920, 40196, 44980, 50245, 58474, 80392, 89960, 100490, 116948, 130637, 133729, 146185, 200980, 233896, 261274, 267458, 292370, 401960, 522548, 534916, 584740, 653185, 668645, 1045096, 1069832, 1169480, 1306370, 1337290, 1738477, 2612740, 2674580, 3476954, 5225480, 5349160, 6953908, 8692385, 13907816, 17384770, 22600201, 34769540, 45200402, 69539080, 90400804, 113001005, 180801608, 226002010, 452004020, 904008040]

約数ペア:

[(1, 904008040), (2, 452004020), (4, 226002010), (5, 180801608), (8, 113001005), (10, 90400804), (13, 69539080), (20, 45200402), (26, 34769540), (40, 22600201), (52, 17384770), (65, 13907816), (104, 8692385), (130, 6953908), (169, 5349160), (173, 5225480), (260, 3476954), (338, 2674580), (346, 2612740), (520, 1738477), (676, 1337290), (692, 1306370), (773, 1169480), (845, 1069832), (865, 1045096), (1352, 668645), (1384, 653185), (1546, 584740), (1690, 534916), (1730, 522548), (2249, 401960), (3092, 292370), (3380, 267458), (3460, 261274), (3865, 233896), (4498, 200980), (6184, 146185), (6760, 133729), (6920, 130637), (7730, 116948), (8996, 100490), (10049, 89960), (11245, 80392), (15460, 58474), (17992, 50245), (20098, 44980), (22490, 40196), (29237, 30920)]