351427860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{278911}}^1$

素因数の和:278933

約数の個数: 72

約数和(自身を含む): 1218287616

約数和(自身を除く): 866859756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 278911, 557822, 836733, 1115644, 1394555, 1673466, 1952377, 2510199, 2789110, 3346932, 3904754, 4183665, 5020398, 5578220, 5857131, 7809508, 8367330, 9761885, 10040796, 11714262, 12550995, 16734660, 17571393, 19523770, 23428524, 25101990, 29285655, 35142786, 39047540, 50203980, 58571310, 70285572, 87856965, 117142620, 175713930, 351427860]

約数ペア:

[(1, 351427860), (2, 175713930), (3, 117142620), (4, 87856965), (5, 70285572), (6, 58571310), (7, 50203980), (9, 39047540), (10, 35142786), (12, 29285655), (14, 25101990), (15, 23428524), (18, 19523770), (20, 17571393), (21, 16734660), (28, 12550995), (30, 11714262), (35, 10040796), (36, 9761885), (42, 8367330), (45, 7809508), (60, 5857131), (63, 5578220), (70, 5020398), (84, 4183665), (90, 3904754), (105, 3346932), (126, 2789110), (140, 2510199), (180, 1952377), (210, 1673466), (252, 1394555), (315, 1115644), (420, 836733), (630, 557822), (1260, 278911)]