404998160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9907}}^1$

素因数の和:10000

約数の個数: 80

約数和(自身を含む): 1090989696

約数和(自身を除く): 685991536

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, 5840, 8176, 9907, 10220, 19814, 20440, 39628, 40880, 49535, 69349, 79256, 99070, 138698, 158512, 198140, 277396, 346745, 396280, 554792, 693490, 723211, 792560, 1109584, 1386980, 1446422, 2773960, 2892844, 3616055, 5062477, 5547920, 5785688, 7232110, 10124954, 11571376, 14464220, 20249908, 25312385, 28928440, 40499816, 50624770, 57856880, 80999632, 101249540, 202499080, 404998160]

約数ペア:

[(1, 404998160), (2, 202499080), (4, 101249540), (5, 80999632), (7, 57856880), (8, 50624770), (10, 40499816), (14, 28928440), (16, 25312385), (20, 20249908), (28, 14464220), (35, 11571376), (40, 10124954), (56, 7232110), (70, 5785688), (73, 5547920), (80, 5062477), (112, 3616055), (140, 2892844), (146, 2773960), (280, 1446422), (292, 1386980), (365, 1109584), (511, 792560), (560, 723211), (584, 693490), (730, 554792), (1022, 396280), (1168, 346745), (1460, 277396), (2044, 198140), (2555, 158512), (2920, 138698), (4088, 99070), (5110, 79256), (5840, 69349), (8176, 49535), (9907, 40880), (10220, 39628), (19814, 20440)]