211968680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68821}}^1$

素因数の和:68850

約数の個数: 64

約数和(自身を含む): 594622080

約数和(自身を除く): 382653400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 68821, 137642, 275284, 344105, 481747, 550568, 688210, 757031, 963494, 1376420, 1514062, 1926988, 2408735, 2752840, 3028124, 3785155, 3853976, 4817470, 5299217, 6056248, 7570310, 9634940, 10598434, 15140620, 19269880, 21196868, 26496085, 30281240, 42393736, 52992170, 105984340, 211968680]

約数ペア:

[(1, 211968680), (2, 105984340), (4, 52992170), (5, 42393736), (7, 30281240), (8, 26496085), (10, 21196868), (11, 19269880), (14, 15140620), (20, 10598434), (22, 9634940), (28, 7570310), (35, 6056248), (40, 5299217), (44, 4817470), (55, 3853976), (56, 3785155), (70, 3028124), (77, 2752840), (88, 2408735), (110, 1926988), (140, 1514062), (154, 1376420), (220, 963494), (280, 757031), (308, 688210), (385, 550568), (440, 481747), (616, 344105), (770, 275284), (1540, 137642), (3080, 68821)]