13890520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 38372400

約数和(自身を除く): 24481880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 373, 380, 392, 490, 532, 665, 746, 760, 931, 980, 1064, 1330, 1492, 1862, 1865, 1960, 2611, 2660, 2984, 3724, 3730, 4655, 5222, 5320, 7087, 7448, 7460, 9310, 10444, 13055, 14174, 14920, 18277, 18620, 20888, 26110, 28348, 35435, 36554, 37240, 49609, 52220, 56696, 70870, 73108, 91385, 99218, 104440, 141740, 146216, 182770, 198436, 248045, 283480, 347263, 365540, 396872, 496090, 694526, 731080, 992180, 1389052, 1736315, 1984360, 2778104, 3472630, 6945260, 13890520]

約数ペア:

[(1, 13890520), (2, 6945260), (4, 3472630), (5, 2778104), (7, 1984360), (8, 1736315), (10, 1389052), (14, 992180), (19, 731080), (20, 694526), (28, 496090), (35, 396872), (38, 365540), (40, 347263), (49, 283480), (56, 248045), (70, 198436), (76, 182770), (95, 146216), (98, 141740), (133, 104440), (140, 99218), (152, 91385), (190, 73108), (196, 70870), (245, 56696), (266, 52220), (280, 49609), (373, 37240), (380, 36554), (392, 35435), (490, 28348), (532, 26110), (665, 20888), (746, 18620), (760, 18277), (931, 14920), (980, 14174), (1064, 13055), (1330, 10444), (1492, 9310), (1862, 7460), (1865, 7448), (1960, 7087), (2611, 5320), (2660, 5222), (2984, 4655), (3724, 3730)]