399422520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{22643}}^1$

素因数の和:22674

約数の個数: 144

約数和(自身を含む): 1510128360

約数和(自身を除く): 1110705840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 22643, 45286, 67929, 90572, 113215, 135858, 158501, 181144, 203787, 226430, 271716, 317002, 339645, 407574, 452860, 475503, 543432, 634004, 679290, 792505, 815148, 905720, 951006, 1018935, 1109507, 1268008, 1358580, 1426509, 1585010, 1630296, 1902012, 2037870, 2219014, 2377515, 2717160, 2853018, 3170020, 3328521, 3804024, 4075740, 4438028, 4755030, 5547535, 5706036, 6340040, 6657042, 7132545, 8151480, 8876056, 9510060, 9985563, 11095070, 11412072, 13314084, 14265090, 16642605, 19020120, 19971126, 22190140, 26628168, 28530180, 33285210, 39942252, 44380280, 49927815, 57060360, 66570420, 79884504, 99855630, 133140840, 199711260, 399422520]

約数ペア:

[(1, 399422520), (2, 199711260), (3, 133140840), (4, 99855630), (5, 79884504), (6, 66570420), (7, 57060360), (8, 49927815), (9, 44380280), (10, 39942252), (12, 33285210), (14, 28530180), (15, 26628168), (18, 22190140), (20, 19971126), (21, 19020120), (24, 16642605), (28, 14265090), (30, 13314084), (35, 11412072), (36, 11095070), (40, 9985563), (42, 9510060), (45, 8876056), (49, 8151480), (56, 7132545), (60, 6657042), (63, 6340040), (70, 5706036), (72, 5547535), (84, 4755030), (90, 4438028), (98, 4075740), (105, 3804024), (120, 3328521), (126, 3170020), (140, 2853018), (147, 2717160), (168, 2377515), (180, 2219014), (196, 2037870), (210, 1902012), (245, 1630296), (252, 1585010), (280, 1426509), (294, 1358580), (315, 1268008), (360, 1109507), (392, 1018935), (420, 951006), (441, 905720), (490, 815148), (504, 792505), (588, 679290), (630, 634004), (735, 543432), (840, 475503), (882, 452860), (980, 407574), (1176, 339645), (1260, 317002), (1470, 271716), (1764, 226430), (1960, 203787), (2205, 181144), (2520, 158501), (2940, 135858), (3528, 113215), (4410, 90572), (5880, 67929), (8820, 45286), (17640, 22643)]