512979740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281857}}^1$

素因数の和:281886

約数の個数: 48

約数和(自身を含む): 1325860032

約数和(自身を除く): 812880292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 281857, 563714, 1127428, 1409285, 1972999, 2818570, 3664141, 3945998, 5637140, 7328282, 7891996, 9864995, 14656564, 18320705, 19729990, 25648987, 36641410, 39459980, 51297974, 73282820, 102595948, 128244935, 256489870, 512979740]

約数ペア:

[(1, 512979740), (2, 256489870), (4, 128244935), (5, 102595948), (7, 73282820), (10, 51297974), (13, 39459980), (14, 36641410), (20, 25648987), (26, 19729990), (28, 18320705), (35, 14656564), (52, 9864995), (65, 7891996), (70, 7328282), (91, 5637140), (130, 3945998), (140, 3664141), (182, 2818570), (260, 1972999), (364, 1409285), (455, 1127428), (910, 563714), (1820, 281857)]