209019440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5113}}^1$

素因数の和:5206

約数の個数: 80

約数和(自身を含む): 563112768

約数和(自身を除く): 354093328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5113, 5840, 8176, 10220, 10226, 20440, 20452, 25565, 35791, 40880, 40904, 51130, 71582, 81808, 102260, 143164, 178955, 204520, 286328, 357910, 373249, 409040, 572656, 715820, 746498, 1431640, 1492996, 1866245, 2612743, 2863280, 2985992, 3732490, 5225486, 5971984, 7464980, 10450972, 13063715, 14929960, 20901944, 26127430, 29859920, 41803888, 52254860, 104509720, 209019440]

約数ペア:

[(1, 209019440), (2, 104509720), (4, 52254860), (5, 41803888), (7, 29859920), (8, 26127430), (10, 20901944), (14, 14929960), (16, 13063715), (20, 10450972), (28, 7464980), (35, 5971984), (40, 5225486), (56, 3732490), (70, 2985992), (73, 2863280), (80, 2612743), (112, 1866245), (140, 1492996), (146, 1431640), (280, 746498), (292, 715820), (365, 572656), (511, 409040), (560, 373249), (584, 357910), (730, 286328), (1022, 204520), (1168, 178955), (1460, 143164), (2044, 102260), (2555, 81808), (2920, 71582), (4088, 51130), (5110, 40904), (5113, 40880), (5840, 35791), (8176, 25565), (10220, 20452), (10226, 20440)]