98717020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 48

約数和(自身を含む): 216518400

約数和(自身を除く): 117801380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 1789, 2759, 3578, 5518, 7156, 8945, 11036, 13795, 17890, 27590, 35780, 55180, 55459, 110918, 159221, 221836, 277295, 318442, 554590, 636884, 796105, 1109180, 1592210, 3184420, 4935851, 9871702, 19743404, 24679255, 49358510, 98717020]

約数ペア:

[(1, 98717020), (2, 49358510), (4, 24679255), (5, 19743404), (10, 9871702), (20, 4935851), (31, 3184420), (62, 1592210), (89, 1109180), (124, 796105), (155, 636884), (178, 554590), (310, 318442), (356, 277295), (445, 221836), (620, 159221), (890, 110918), (1780, 55459), (1789, 55180), (2759, 35780), (3578, 27590), (5518, 17890), (7156, 13795), (8945, 11036)]