495280390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 1021911552

約数和(自身を除く): 526631162

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 163, 230, 253, 326, 506, 815, 1201, 1265, 1630, 1793, 2402, 2530, 3586, 3749, 6005, 7498, 8965, 12010, 13211, 17930, 18745, 26422, 27623, 37490, 41239, 55246, 66055, 82478, 132110, 138115, 195763, 206195, 276230, 303853, 391526, 412390, 607706, 978815, 1519265, 1957630, 2153393, 3038530, 4306786, 4502549, 9005098, 10766965, 21533930, 22512745, 45025490, 49528039, 99056078, 247640195, 495280390]

約数ペア:

[(1, 495280390), (2, 247640195), (5, 99056078), (10, 49528039), (11, 45025490), (22, 22512745), (23, 21533930), (46, 10766965), (55, 9005098), (110, 4502549), (115, 4306786), (163, 3038530), (230, 2153393), (253, 1957630), (326, 1519265), (506, 978815), (815, 607706), (1201, 412390), (1265, 391526), (1630, 303853), (1793, 276230), (2402, 206195), (2530, 195763), (3586, 138115), (3749, 132110), (6005, 82478), (7498, 66055), (8965, 55246), (12010, 41239), (13211, 37490), (17930, 27623), (18745, 26422)]