208038320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:827

約数の個数: 120

約数和(自身を含む): 571150944

約数和(自身を除く): 363112624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 727, 730, 784, 980, 1022, 1168, 1454, 1460, 1960, 2044, 2555, 2908, 2920, 3577, 3635, 3920, 4088, 5089, 5110, 5816, 5840, 7154, 7270, 8176, 10178, 10220, 11632, 14308, 14540, 17885, 20356, 20440, 25445, 28616, 29080, 35623, 35770, 40712, 40880, 50890, 53071, 57232, 58160, 71246, 71540, 81424, 101780, 106142, 142492, 143080, 178115, 203560, 212284, 265355, 284984, 286160, 356230, 371497, 407120, 424568, 530710, 569968, 712460, 742994, 849136, 1061420, 1424920, 1485988, 1857485, 2122840, 2600479, 2849840, 2971976, 3714970, 4245680, 5200958, 5943952, 7429940, 10401916, 13002395, 14859880, 20803832, 26004790, 29719760, 41607664, 52009580, 104019160, 208038320]

約数ペア:

[(1, 208038320), (2, 104019160), (4, 52009580), (5, 41607664), (7, 29719760), (8, 26004790), (10, 20803832), (14, 14859880), (16, 13002395), (20, 10401916), (28, 7429940), (35, 5943952), (40, 5200958), (49, 4245680), (56, 3714970), (70, 2971976), (73, 2849840), (80, 2600479), (98, 2122840), (112, 1857485), (140, 1485988), (146, 1424920), (196, 1061420), (245, 849136), (280, 742994), (292, 712460), (365, 569968), (392, 530710), (490, 424568), (511, 407120), (560, 371497), (584, 356230), (727, 286160), (730, 284984), (784, 265355), (980, 212284), (1022, 203560), (1168, 178115), (1454, 143080), (1460, 142492), (1960, 106142), (2044, 101780), (2555, 81424), (2908, 71540), (2920, 71246), (3577, 58160), (3635, 57232), (3920, 53071), (4088, 50890), (5089, 40880), (5110, 40712), (5816, 35770), (5840, 35623), (7154, 29080), (7270, 28616), (8176, 25445), (10178, 20440), (10220, 20356), (11632, 17885), (14308, 14540)]