28497700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3701}}^1$

素因数の和:3733

約数の個数: 72

約数和(自身を含む): 77120064

約数和(自身を除く): 48622364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3701, 3850, 7402, 7700, 14804, 18505, 25907, 37010, 40711, 51814, 74020, 81422, 92525, 103628, 129535, 162844, 185050, 203555, 259070, 284977, 370100, 407110, 518140, 569954, 647675, 814220, 1017775, 1139908, 1295350, 1424885, 2035550, 2590700, 2849770, 4071100, 5699540, 7124425, 14248850, 28497700]

約数ペア:

[(1, 28497700), (2, 14248850), (4, 7124425), (5, 5699540), (7, 4071100), (10, 2849770), (11, 2590700), (14, 2035550), (20, 1424885), (22, 1295350), (25, 1139908), (28, 1017775), (35, 814220), (44, 647675), (50, 569954), (55, 518140), (70, 407110), (77, 370100), (100, 284977), (110, 259070), (140, 203555), (154, 185050), (175, 162844), (220, 129535), (275, 103628), (308, 92525), (350, 81422), (385, 74020), (550, 51814), (700, 40711), (770, 37010), (1100, 25907), (1540, 18505), (1925, 14804), (3701, 7700), (3850, 7402)]