490097972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 1100359680

約数和(自身を除く): 610261708

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 257, 338, 364, 403, 434, 514, 676, 806, 868, 1028, 1183, 1612, 1799, 2197, 2366, 2821, 3341, 3598, 4394, 4732, 5239, 5642, 6682, 7196, 7967, 8788, 10478, 11284, 13364, 15379, 15934, 20956, 23387, 30758, 31868, 36673, 43433, 46774, 55769, 61516, 68107, 73346, 86866, 93548, 103571, 111538, 136214, 146692, 173732, 207142, 223076, 272428, 304031, 414284, 476749, 564629, 608062, 724997, 953498, 1129258, 1216124, 1346423, 1449994, 1906996, 2258516, 2692846, 2899988, 3952403, 5385692, 7904806, 9424961, 15809612, 17503499, 18849922, 35006998, 37699844, 70013996, 122524493, 245048986, 490097972]

約数ペア:

[(1, 490097972), (2, 245048986), (4, 122524493), (7, 70013996), (13, 37699844), (14, 35006998), (26, 18849922), (28, 17503499), (31, 15809612), (52, 9424961), (62, 7904806), (91, 5385692), (124, 3952403), (169, 2899988), (182, 2692846), (217, 2258516), (257, 1906996), (338, 1449994), (364, 1346423), (403, 1216124), (434, 1129258), (514, 953498), (676, 724997), (806, 608062), (868, 564629), (1028, 476749), (1183, 414284), (1612, 304031), (1799, 272428), (2197, 223076), (2366, 207142), (2821, 173732), (3341, 146692), (3598, 136214), (4394, 111538), (4732, 103571), (5239, 93548), (5642, 86866), (6682, 73346), (7196, 68107), (7967, 61516), (8788, 55769), (10478, 46774), (11284, 43433), (13364, 36673), (15379, 31868), (15934, 30758), (20956, 23387)]