219172480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11047}}^1$

素因数の和:11097

約数の個数: 64

約数和(自身を含む): 540910080

約数和(自身を除く): 321737600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11047, 19840, 22094, 44188, 55235, 88376, 110470, 176752, 220940, 342457, 353504, 441880, 684914, 707008, 883760, 1369828, 1414016, 1712285, 1767520, 2739656, 3424570, 3535040, 5479312, 6849140, 7070080, 10958624, 13698280, 21917248, 27396560, 43834496, 54793120, 109586240, 219172480]

約数ペア:

[(1, 219172480), (2, 109586240), (4, 54793120), (5, 43834496), (8, 27396560), (10, 21917248), (16, 13698280), (20, 10958624), (31, 7070080), (32, 6849140), (40, 5479312), (62, 3535040), (64, 3424570), (80, 2739656), (124, 1767520), (128, 1712285), (155, 1414016), (160, 1369828), (248, 883760), (310, 707008), (320, 684914), (496, 441880), (620, 353504), (640, 342457), (992, 220940), (1240, 176752), (1984, 110470), (2480, 88376), (3968, 55235), (4960, 44188), (9920, 22094), (11047, 19840)]