218287860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{519733}}^1$

素因数の和:519752

約数の個数: 48

約数和(自身を含む): 698522496

約数和(自身を除く): 480234636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 519733, 1039466, 1559199, 2078932, 2598665, 3118398, 3638131, 5197330, 6236796, 7276262, 7795995, 10394660, 10914393, 14552524, 15591990, 18190655, 21828786, 31183980, 36381310, 43657572, 54571965, 72762620, 109143930, 218287860]

約数ペア:

[(1, 218287860), (2, 109143930), (3, 72762620), (4, 54571965), (5, 43657572), (6, 36381310), (7, 31183980), (10, 21828786), (12, 18190655), (14, 15591990), (15, 14552524), (20, 10914393), (21, 10394660), (28, 7795995), (30, 7276262), (35, 6236796), (42, 5197330), (60, 3638131), (70, 3118398), (84, 2598665), (105, 2078932), (140, 1559199), (210, 1039466), (420, 519733)]