275710280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{222347}}^1$

素因数の和:222389

約数の個数: 32

約数和(自身を含む): 640362240

約数和(自身を除く): 364651960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 222347, 444694, 889388, 1111735, 1778776, 2223470, 4446940, 6892757, 8893880, 13785514, 27571028, 34463785, 55142056, 68927570, 137855140, 275710280]

約数ペア:

[(1, 275710280), (2, 137855140), (4, 68927570), (5, 55142056), (8, 34463785), (10, 27571028), (20, 13785514), (31, 8893880), (40, 6892757), (62, 4446940), (124, 2223470), (155, 1778776), (248, 1111735), (310, 889388), (620, 444694), (1240, 222347)]