331864820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139439}}^1$

素因数の和:139472

約数の個数: 48

約数和(自身を含む): 843333120

約数和(自身を除く): 511468300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 139439, 278878, 557756, 697195, 976073, 1394390, 1952146, 2370463, 2788780, 3904292, 4740926, 4880365, 9481852, 9760730, 11852315, 16593241, 19521460, 23704630, 33186482, 47409260, 66372964, 82966205, 165932410, 331864820]

約数ペア:

[(1, 331864820), (2, 165932410), (4, 82966205), (5, 66372964), (7, 47409260), (10, 33186482), (14, 23704630), (17, 19521460), (20, 16593241), (28, 11852315), (34, 9760730), (35, 9481852), (68, 4880365), (70, 4740926), (85, 3904292), (119, 2788780), (140, 2370463), (170, 1952146), (238, 1394390), (340, 976073), (476, 697195), (595, 557756), (1190, 278878), (2380, 139439)]