199636990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{409}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 434534400

約数和(自身を除く): 234897410

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 367, 409, 665, 734, 818, 1330, 1835, 2045, 2569, 2863, 3670, 4090, 5138, 5726, 6973, 7771, 12845, 13946, 14315, 15542, 25690, 28630, 34865, 38855, 48811, 54397, 69730, 77710, 97622, 108794, 150103, 244055, 271985, 300206, 488110, 543970, 750515, 1050721, 1501030, 2101442, 2851957, 5253605, 5703914, 10507210, 14259785, 19963699, 28519570, 39927398, 99818495, 199636990]

約数ペア:

[(1, 199636990), (2, 99818495), (5, 39927398), (7, 28519570), (10, 19963699), (14, 14259785), (19, 10507210), (35, 5703914), (38, 5253605), (70, 2851957), (95, 2101442), (133, 1501030), (190, 1050721), (266, 750515), (367, 543970), (409, 488110), (665, 300206), (734, 271985), (818, 244055), (1330, 150103), (1835, 108794), (2045, 97622), (2569, 77710), (2863, 69730), (3670, 54397), (4090, 48811), (5138, 38855), (5726, 34865), (6973, 28630), (7771, 25690), (12845, 15542), (13946, 14315)]