2019914420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1\times {\mathrm{1259}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 4294140480

約数和(自身を除く): 2274226060

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 827, 970, 1259, 1654, 1940, 2518, 3308, 4135, 5036, 6295, 8270, 12590, 16540, 25180, 80219, 122123, 160438, 244246, 320876, 401095, 488492, 610615, 802190, 1041193, 1221230, 1604380, 2082386, 2442460, 4164772, 5205965, 10411930, 20823860, 100995721, 201991442, 403982884, 504978605, 1009957210, 2019914420]

約数ペア:

[(1, 2019914420), (2, 1009957210), (4, 504978605), (5, 403982884), (10, 201991442), (20, 100995721), (97, 20823860), (194, 10411930), (388, 5205965), (485, 4164772), (827, 2442460), (970, 2082386), (1259, 1604380), (1654, 1221230), (1940, 1041193), (2518, 802190), (3308, 610615), (4135, 488492), (5036, 401095), (6295, 320876), (8270, 244246), (12590, 160438), (16540, 122123), (25180, 80219)]