218626240

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 168

約数和(自身を含む): 617110272

約数和(自身を除く): 398484032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 140, 146, 160, 191, 196, 224, 245, 280, 292, 320, 365, 382, 392, 448, 490, 511, 560, 584, 730, 764, 784, 955, 980, 1022, 1120, 1168, 1337, 1460, 1528, 1568, 1910, 1960, 2044, 2240, 2336, 2555, 2674, 2920, 3056, 3136, 3577, 3820, 3920, 4088, 4672, 5110, 5348, 5840, 6112, 6685, 7154, 7640, 7840, 8176, 9359, 10220, 10696, 11680, 12224, 13370, 13943, 14308, 15280, 15680, 16352, 17885, 18718, 20440, 21392, 23360, 26740, 27886, 28616, 30560, 32704, 35770, 37436, 40880, 42784, 46795, 53480, 55772, 57232, 61120, 69715, 71540, 74872, 81760, 85568, 93590, 97601, 106960, 111544, 114464, 139430, 143080, 149744, 163520, 187180, 195202, 213920, 223088, 228928, 278860, 286160, 299488, 374360, 390404, 427840, 446176, 488005, 557720, 572320, 598976, 683207, 748720, 780808, 892352, 976010, 1115440, 1144640, 1366414, 1497440, 1561616, 1952020, 2230880, 2732828, 2994880, 3123232, 3416035, 3904040, 4461760, 5465656, 6246464, 6832070, 7808080, 10931312, 13664140, 15616160, 21862624, 27328280, 31232320, 43725248, 54656560, 109313120, 218626240]

約数ペア:

[(1, 218626240), (2, 109313120), (4, 54656560), (5, 43725248), (7, 31232320), (8, 27328280), (10, 21862624), (14, 15616160), (16, 13664140), (20, 10931312), (28, 7808080), (32, 6832070), (35, 6246464), (40, 5465656), (49, 4461760), (56, 3904040), (64, 3416035), (70, 3123232), (73, 2994880), (80, 2732828), (98, 2230880), (112, 1952020), (140, 1561616), (146, 1497440), (160, 1366414), (191, 1144640), (196, 1115440), (224, 976010), (245, 892352), (280, 780808), (292, 748720), (320, 683207), (365, 598976), (382, 572320), (392, 557720), (448, 488005), (490, 446176), (511, 427840), (560, 390404), (584, 374360), (730, 299488), (764, 286160), (784, 278860), (955, 228928), (980, 223088), (1022, 213920), (1120, 195202), (1168, 187180), (1337, 163520), (1460, 149744), (1528, 143080), (1568, 139430), (1910, 114464), (1960, 111544), (2044, 106960), (2240, 97601), (2336, 93590), (2555, 85568), (2674, 81760), (2920, 74872), (3056, 71540), (3136, 69715), (3577, 61120), (3820, 57232), (3920, 55772), (4088, 53480), (4672, 46795), (5110, 42784), (5348, 40880), (5840, 37436), (6112, 35770), (6685, 32704), (7154, 30560), (7640, 28616), (7840, 27886), (8176, 26740), (9359, 23360), (10220, 21392), (10696, 20440), (11680, 18718), (12224, 17885), (13370, 16352), (13943, 15680), (14308, 15280)]