890295540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{780961}}^1$

素因数の和:780992

約数の個数: 48

約数和(自身を含む): 2624032320

約数和(自身を除く): 1733736780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 780961, 1561922, 2342883, 3123844, 3904805, 4685766, 7809610, 9371532, 11714415, 14838259, 15619220, 23428830, 29676518, 44514777, 46857660, 59353036, 74191295, 89029554, 148382590, 178059108, 222573885, 296765180, 445147770, 890295540]

約数ペア:

[(1, 890295540), (2, 445147770), (3, 296765180), (4, 222573885), (5, 178059108), (6, 148382590), (10, 89029554), (12, 74191295), (15, 59353036), (19, 46857660), (20, 44514777), (30, 29676518), (38, 23428830), (57, 15619220), (60, 14838259), (76, 11714415), (95, 9371532), (114, 7809610), (190, 4685766), (228, 3904805), (285, 3123844), (380, 2342883), (570, 1561922), (1140, 780961)]