90947780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:909

約数の個数: 96

約数和(自身を含む): 241678080

約数和(自身を除く): 150730300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 73, 77, 110, 140, 146, 154, 220, 292, 308, 365, 385, 511, 730, 770, 803, 809, 1022, 1460, 1540, 1606, 1618, 2044, 2555, 3212, 3236, 4015, 4045, 5110, 5621, 5663, 8030, 8090, 8899, 10220, 11242, 11326, 16060, 16180, 17798, 22484, 22652, 28105, 28315, 35596, 44495, 56210, 56630, 59057, 62293, 88990, 112420, 113260, 118114, 124586, 177980, 236228, 249172, 295285, 311465, 413399, 590570, 622930, 649627, 826798, 1181140, 1245860, 1299254, 1653596, 2066995, 2598508, 3248135, 4133990, 4547389, 6496270, 8267980, 9094778, 12992540, 18189556, 22736945, 45473890, 90947780]

約数ペア:

[(1, 90947780), (2, 45473890), (4, 22736945), (5, 18189556), (7, 12992540), (10, 9094778), (11, 8267980), (14, 6496270), (20, 4547389), (22, 4133990), (28, 3248135), (35, 2598508), (44, 2066995), (55, 1653596), (70, 1299254), (73, 1245860), (77, 1181140), (110, 826798), (140, 649627), (146, 622930), (154, 590570), (220, 413399), (292, 311465), (308, 295285), (365, 249172), (385, 236228), (511, 177980), (730, 124586), (770, 118114), (803, 113260), (809, 112420), (1022, 88990), (1460, 62293), (1540, 59057), (1606, 56630), (1618, 56210), (2044, 44495), (2555, 35596), (3212, 28315), (3236, 28105), (4015, 22652), (4045, 22484), (5110, 17798), (5621, 16180), (5663, 16060), (8030, 11326), (8090, 11242), (8899, 10220)]