17906075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 26784000

約数和(自身を除く): 8877925

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 149, 209, 253, 275, 437, 475, 575, 745, 1045, 1265, 1639, 2185, 2831, 3427, 3725, 4807, 5225, 6325, 8195, 10925, 14155, 17135, 24035, 31141, 37697, 40975, 65113, 70775, 85675, 120175, 155705, 188485, 325565, 716243, 778525, 942425, 1627825, 3581215, 17906075]

約数ペア:

[(1, 17906075), (5, 3581215), (11, 1627825), (19, 942425), (23, 778525), (25, 716243), (55, 325565), (95, 188485), (115, 155705), (149, 120175), (209, 85675), (253, 70775), (275, 65113), (437, 40975), (475, 37697), (575, 31141), (745, 24035), (1045, 17135), (1265, 14155), (1639, 10925), (2185, 8195), (2831, 6325), (3427, 5225), (3725, 4807)]