204574480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 546893568

約数和(自身を除く): 342319088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 61, 74, 80, 88, 103, 110, 122, 148, 176, 185, 206, 220, 244, 296, 305, 370, 407, 412, 440, 488, 515, 592, 610, 671, 740, 814, 824, 880, 976, 1030, 1133, 1220, 1342, 1480, 1628, 1648, 2035, 2060, 2257, 2266, 2440, 2684, 2960, 3256, 3355, 3811, 4070, 4120, 4514, 4532, 4880, 5368, 5665, 6283, 6512, 6710, 7622, 8140, 8240, 9028, 9064, 10736, 11285, 11330, 12566, 13420, 15244, 16280, 18056, 18128, 19055, 22570, 22660, 24827, 25132, 26840, 30488, 31415, 32560, 36112, 38110, 41921, 45140, 45320, 49654, 50264, 53680, 60976, 62830, 69113, 76220, 83842, 90280, 90640, 99308, 100528, 124135, 125660, 138226, 152440, 167684, 180560, 198616, 209605, 232471, 248270, 251320, 276452, 304880, 335368, 345565, 397232, 419210, 464942, 496540, 502640, 552904, 670736, 691130, 838420, 929884, 993080, 1105808, 1162355, 1382260, 1676840, 1859768, 1986160, 2324710, 2557181, 2764520, 3353680, 3719536, 4649420, 5114362, 5529040, 9298840, 10228724, 12785905, 18597680, 20457448, 25571810, 40914896, 51143620, 102287240, 204574480]

約数ペア:

[(1, 204574480), (2, 102287240), (4, 51143620), (5, 40914896), (8, 25571810), (10, 20457448), (11, 18597680), (16, 12785905), (20, 10228724), (22, 9298840), (37, 5529040), (40, 5114362), (44, 4649420), (55, 3719536), (61, 3353680), (74, 2764520), (80, 2557181), (88, 2324710), (103, 1986160), (110, 1859768), (122, 1676840), (148, 1382260), (176, 1162355), (185, 1105808), (206, 993080), (220, 929884), (244, 838420), (296, 691130), (305, 670736), (370, 552904), (407, 502640), (412, 496540), (440, 464942), (488, 419210), (515, 397232), (592, 345565), (610, 335368), (671, 304880), (740, 276452), (814, 251320), (824, 248270), (880, 232471), (976, 209605), (1030, 198616), (1133, 180560), (1220, 167684), (1342, 152440), (1480, 138226), (1628, 125660), (1648, 124135), (2035, 100528), (2060, 99308), (2257, 90640), (2266, 90280), (2440, 83842), (2684, 76220), (2960, 69113), (3256, 62830), (3355, 60976), (3811, 53680), (4070, 50264), (4120, 49654), (4514, 45320), (4532, 45140), (4880, 41921), (5368, 38110), (5665, 36112), (6283, 32560), (6512, 31415), (6710, 30488), (7622, 26840), (8140, 25132), (8240, 24827), (9028, 22660), (9064, 22570), (10736, 19055), (11285, 18128), (11330, 18056), (12566, 16280), (13420, 15244)]