638786310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{22157}}^1$

素因数の和:22229

約数の個数: 48

約数和(自身を含む): 1584208368

約数和(自身を除く): 945422058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 961, 1922, 2883, 4805, 5766, 9610, 14415, 22157, 28830, 44314, 66471, 110785, 132942, 221570, 332355, 664710, 686867, 1373734, 2060601, 3434335, 4121202, 6868670, 10303005, 20606010, 21292877, 42585754, 63878631, 106464385, 127757262, 212928770, 319393155, 638786310]

約数ペア:

[(1, 638786310), (2, 319393155), (3, 212928770), (5, 127757262), (6, 106464385), (10, 63878631), (15, 42585754), (30, 21292877), (31, 20606010), (62, 10303005), (93, 6868670), (155, 4121202), (186, 3434335), (310, 2060601), (465, 1373734), (930, 686867), (961, 664710), (1922, 332355), (2883, 221570), (4805, 132942), (5766, 110785), (9610, 66471), (14415, 44314), (22157, 28830)]