201664100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9649}}^1$

素因数の和:9693

約数の個数: 72

約数和(自身を含む): 502572000

約数和(自身を除く): 300907900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 9649, 10450, 19298, 20900, 38596, 48245, 96490, 106139, 183331, 192980, 212278, 241225, 366662, 424556, 482450, 530695, 733324, 916655, 964900, 1061390, 1833310, 2016641, 2122780, 2653475, 3666620, 4033282, 4583275, 5306950, 8066564, 9166550, 10083205, 10613900, 18333100, 20166410, 40332820, 50416025, 100832050, 201664100]

約数ペア:

[(1, 201664100), (2, 100832050), (4, 50416025), (5, 40332820), (10, 20166410), (11, 18333100), (19, 10613900), (20, 10083205), (22, 9166550), (25, 8066564), (38, 5306950), (44, 4583275), (50, 4033282), (55, 3666620), (76, 2653475), (95, 2122780), (100, 2016641), (110, 1833310), (190, 1061390), (209, 964900), (220, 916655), (275, 733324), (380, 530695), (418, 482450), (475, 424556), (550, 366662), (836, 241225), (950, 212278), (1045, 192980), (1100, 183331), (1900, 106139), (2090, 96490), (4180, 48245), (5225, 38596), (9649, 20900), (10450, 19298)]