12652420

素因数分解:

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

素因数の和:253

約数の個数: 72

約数和(自身を含む): 30945600

約数和(自身を除く): 18293180

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 199, 220, 289, 340, 374, 398, 578, 748, 796, 935, 995, 1156, 1445, 1870, 1990, 2189, 2890, 3179, 3383, 3740, 3980, 4378, 5780, 6358, 6766, 8756, 10945, 12716, 13532, 15895, 16915, 21890, 31790, 33830, 37213, 43780, 57511, 63580, 67660, 74426, 115022, 148852, 186065, 230044, 287555, 372130, 575110, 632621, 744260, 1150220, 1265242, 2530484, 3163105, 6326210, 12652420]

約数ペア:

[(1, 12652420), (2, 6326210), (4, 3163105), (5, 2530484), (10, 1265242), (11, 1150220), (17, 744260), (20, 632621), (22, 575110), (34, 372130), (44, 287555), (55, 230044), (68, 186065), (85, 148852), (110, 115022), (170, 74426), (187, 67660), (199, 63580), (220, 57511), (289, 43780), (340, 37213), (374, 33830), (398, 31790), (578, 21890), (748, 16915), (796, 15895), (935, 13532), (995, 12716), (1156, 10945), (1445, 8756), (1870, 6766), (1990, 6358), (2189, 5780), (2890, 4378), (3179, 3980), (3383, 3740)]