206440020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 144

約数和(自身を含む): 650657280

約数和(自身を除く): 444217260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 139, 148, 180, 185, 222, 223, 278, 333, 370, 417, 444, 446, 555, 556, 666, 669, 695, 740, 834, 892, 1110, 1115, 1251, 1332, 1338, 1390, 1665, 1668, 2007, 2085, 2220, 2230, 2502, 2676, 2780, 3330, 3345, 4014, 4170, 4460, 5004, 5143, 6255, 6660, 6690, 8028, 8251, 8340, 10035, 10286, 12510, 13380, 15429, 16502, 20070, 20572, 24753, 25020, 25715, 30858, 30997, 33004, 40140, 41255, 46287, 49506, 51430, 61716, 61994, 74259, 77145, 82510, 92574, 92991, 99012, 102860, 123765, 123988, 148518, 154290, 154985, 165020, 185148, 185982, 231435, 247530, 278973, 297036, 308580, 309970, 371295, 371964, 462870, 464955, 495060, 557946, 619940, 742590, 925740, 929910, 1115892, 1146889, 1394865, 1485180, 1859820, 2293778, 2789730, 3440667, 4587556, 5579460, 5734445, 6881334, 10322001, 11468890, 13762668, 17203335, 20644002, 22937780, 34406670, 41288004, 51610005, 68813340, 103220010, 206440020]

約数ペア:

[(1, 206440020), (2, 103220010), (3, 68813340), (4, 51610005), (5, 41288004), (6, 34406670), (9, 22937780), (10, 20644002), (12, 17203335), (15, 13762668), (18, 11468890), (20, 10322001), (30, 6881334), (36, 5734445), (37, 5579460), (45, 4587556), (60, 3440667), (74, 2789730), (90, 2293778), (111, 1859820), (139, 1485180), (148, 1394865), (180, 1146889), (185, 1115892), (222, 929910), (223, 925740), (278, 742590), (333, 619940), (370, 557946), (417, 495060), (444, 464955), (446, 462870), (555, 371964), (556, 371295), (666, 309970), (669, 308580), (695, 297036), (740, 278973), (834, 247530), (892, 231435), (1110, 185982), (1115, 185148), (1251, 165020), (1332, 154985), (1338, 154290), (1390, 148518), (1665, 123988), (1668, 123765), (2007, 102860), (2085, 99012), (2220, 92991), (2230, 92574), (2502, 82510), (2676, 77145), (2780, 74259), (3330, 61994), (3345, 61716), (4014, 51430), (4170, 49506), (4460, 46287), (5004, 41255), (5143, 40140), (6255, 33004), (6660, 30997), (6690, 30858), (8028, 25715), (8251, 25020), (8340, 24753), (10035, 20572), (10286, 20070), (12510, 16502), (13380, 15429)]