128888700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13859}}^1$

素因数の和:13907

約数の個数: 72

約数和(自身を含む): 384975360

約数和(自身を除く): 256086660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2325, 3100, 4650, 9300, 13859, 27718, 41577, 55436, 69295, 83154, 138590, 166308, 207885, 277180, 346475, 415770, 429629, 692950, 831540, 859258, 1039425, 1288887, 1385900, 1718516, 2078850, 2148145, 2577774, 4157700, 4296290, 5155548, 6444435, 8592580, 10740725, 12888870, 21481450, 25777740, 32222175, 42962900, 64444350, 128888700]

約数ペア:

[(1, 128888700), (2, 64444350), (3, 42962900), (4, 32222175), (5, 25777740), (6, 21481450), (10, 12888870), (12, 10740725), (15, 8592580), (20, 6444435), (25, 5155548), (30, 4296290), (31, 4157700), (50, 2577774), (60, 2148145), (62, 2078850), (75, 1718516), (93, 1385900), (100, 1288887), (124, 1039425), (150, 859258), (155, 831540), (186, 692950), (300, 429629), (310, 415770), (372, 346475), (465, 277180), (620, 207885), (775, 166308), (930, 138590), (1550, 83154), (1860, 69295), (2325, 55436), (3100, 41577), (4650, 27718), (9300, 13859)]