219501660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522623}}^1$

素因数の和:522642

約数の個数: 48

約数和(自身を含む): 702406656

約数和(自身を除く): 482904996

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, 522623, 1045246, 1567869, 2090492, 2613115, 3135738, 3658361, 5226230, 6271476, 7316722, 7839345, 10452460, 10975083, 14633444, 15678690, 18291805, 21950166, 31357380, 36583610, 43900332, 54875415, 73167220, 109750830, 219501660]

約数ペア:

[(1, 219501660), (2, 109750830), (3, 73167220), (4, 54875415), (5, 43900332), (6, 36583610), (7, 31357380), (10, 21950166), (12, 18291805), (14, 15678690), (15, 14633444), (20, 10975083), (21, 10452460), (28, 7839345), (30, 7316722), (35, 6271476), (42, 5226230), (60, 3658361), (70, 3135738), (84, 2613115), (105, 2090492), (140, 1567869), (210, 1045246), (420, 522623)]