289787580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69997}}^1$

素因数の和:70035

約数の個数: 72

約数和(自身を含む): 917253792

約数和(自身を除く): 627466212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 69997, 139994, 209991, 279988, 349985, 419982, 629973, 699970, 839964, 1049955, 1259946, 1399940, 1609931, 2099910, 2519892, 3149865, 3219862, 4199820, 4829793, 6299730, 6439724, 8049655, 9659586, 12599460, 14489379, 16099310, 19319172, 24148965, 28978758, 32198620, 48297930, 57957516, 72446895, 96595860, 144893790, 289787580]

約数ペア:

[(1, 289787580), (2, 144893790), (3, 96595860), (4, 72446895), (5, 57957516), (6, 48297930), (9, 32198620), (10, 28978758), (12, 24148965), (15, 19319172), (18, 16099310), (20, 14489379), (23, 12599460), (30, 9659586), (36, 8049655), (45, 6439724), (46, 6299730), (60, 4829793), (69, 4199820), (90, 3219862), (92, 3149865), (115, 2519892), (138, 2099910), (180, 1609931), (207, 1399940), (230, 1259946), (276, 1049955), (345, 839964), (414, 699970), (460, 629973), (690, 419982), (828, 349985), (1035, 279988), (1380, 209991), (2070, 139994), (4140, 69997)]