2000654590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2221}}^1$

素因数の和:2689

約数の個数: 64

約数和(自身を含む): 4146785280

約数和(自身を除く): 2146130690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 431, 862, 1045, 2090, 2155, 2221, 4310, 4442, 4741, 8189, 9482, 11105, 16378, 22210, 23705, 24431, 40945, 42199, 47410, 48862, 81890, 84398, 90079, 122155, 180158, 210995, 244310, 421990, 450395, 464189, 900790, 928378, 957251, 1914502, 2320945, 4641890, 4786255, 9572510, 10529761, 18187769, 21059522, 36375538, 52648805, 90938845, 105297610, 181877690, 200065459, 400130918, 1000327295, 2000654590]

約数ペア:

[(1, 2000654590), (2, 1000327295), (5, 400130918), (10, 200065459), (11, 181877690), (19, 105297610), (22, 90938845), (38, 52648805), (55, 36375538), (95, 21059522), (110, 18187769), (190, 10529761), (209, 9572510), (418, 4786255), (431, 4641890), (862, 2320945), (1045, 1914502), (2090, 957251), (2155, 928378), (2221, 900790), (4310, 464189), (4442, 450395), (4741, 421990), (8189, 244310), (9482, 210995), (11105, 180158), (16378, 122155), (22210, 90079), (23705, 84398), (24431, 81890), (40945, 48862), (42199, 47410)]