421844480

素因数分解:

$2^9\times 5^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:839

約数の個数: 80

約数和(自身を含む): 1016452800

約数和(自身を除く): 594608320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 367, 449, 512, 640, 734, 898, 1280, 1468, 1796, 1835, 2245, 2560, 2936, 3592, 3670, 4490, 5872, 7184, 7340, 8980, 11744, 14368, 14680, 17960, 23488, 28736, 29360, 35920, 46976, 57472, 58720, 71840, 93952, 114944, 117440, 143680, 164783, 187904, 229888, 234880, 287360, 329566, 469760, 574720, 659132, 823915, 939520, 1149440, 1318264, 1647830, 2636528, 3295660, 5273056, 6591320, 10546112, 13182640, 21092224, 26365280, 42184448, 52730560, 84368896, 105461120, 210922240, 421844480]

約数ペア:

[(1, 421844480), (2, 210922240), (4, 105461120), (5, 84368896), (8, 52730560), (10, 42184448), (16, 26365280), (20, 21092224), (32, 13182640), (40, 10546112), (64, 6591320), (80, 5273056), (128, 3295660), (160, 2636528), (256, 1647830), (320, 1318264), (367, 1149440), (449, 939520), (512, 823915), (640, 659132), (734, 574720), (898, 469760), (1280, 329566), (1468, 287360), (1796, 234880), (1835, 229888), (2245, 187904), (2560, 164783), (2936, 143680), (3592, 117440), (3670, 114944), (4490, 93952), (5872, 71840), (7184, 58720), (7340, 57472), (8980, 46976), (11744, 35920), (14368, 29360), (14680, 28736), (17960, 23488)]