287384300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{719}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 714954240

約数和(自身を除く): 427569940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 571, 700, 719, 1142, 1438, 2284, 2855, 2876, 3595, 3997, 5033, 5710, 7190, 7994, 10066, 11420, 14275, 14380, 15988, 17975, 19985, 20132, 25165, 28550, 35950, 39970, 50330, 57100, 71900, 79940, 99925, 100660, 125825, 199850, 251650, 399700, 410549, 503300, 821098, 1642196, 2052745, 2873843, 4105490, 5747686, 8210980, 10263725, 11495372, 14369215, 20527450, 28738430, 41054900, 57476860, 71846075, 143692150, 287384300]

約数ペア:

[(1, 287384300), (2, 143692150), (4, 71846075), (5, 57476860), (7, 41054900), (10, 28738430), (14, 20527450), (20, 14369215), (25, 11495372), (28, 10263725), (35, 8210980), (50, 5747686), (70, 4105490), (100, 2873843), (140, 2052745), (175, 1642196), (350, 821098), (571, 503300), (700, 410549), (719, 399700), (1142, 251650), (1438, 199850), (2284, 125825), (2855, 100660), (2876, 99925), (3595, 79940), (3997, 71900), (5033, 57100), (5710, 50330), (7190, 39970), (7994, 35950), (10066, 28550), (11420, 25165), (14275, 20132), (14380, 19985), (15988, 17975)]