31631050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 68522400

約数和(自身を除く): 36891350

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 199, 275, 289, 374, 398, 425, 550, 578, 850, 935, 995, 1445, 1870, 1990, 2189, 2890, 3179, 3383, 4378, 4675, 4975, 6358, 6766, 7225, 9350, 9950, 10945, 14450, 15895, 16915, 21890, 31790, 33830, 37213, 54725, 57511, 74426, 79475, 84575, 109450, 115022, 158950, 169150, 186065, 287555, 372130, 575110, 632621, 930325, 1265242, 1437775, 1860650, 2875550, 3163105, 6326210, 15815525, 31631050]

約数ペア:

[(1, 31631050), (2, 15815525), (5, 6326210), (10, 3163105), (11, 2875550), (17, 1860650), (22, 1437775), (25, 1265242), (34, 930325), (50, 632621), (55, 575110), (85, 372130), (110, 287555), (170, 186065), (187, 169150), (199, 158950), (275, 115022), (289, 109450), (374, 84575), (398, 79475), (425, 74426), (550, 57511), (578, 54725), (850, 37213), (935, 33830), (995, 31790), (1445, 21890), (1870, 16915), (1990, 15895), (2189, 14450), (2890, 10945), (3179, 9950), (3383, 9350), (4378, 7225), (4675, 6766), (4975, 6358)]