397245870

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{70061}}^1$

素因数の和:70087

約数の個数: 80

約数和(自身を含む): 1220760288

約数和(自身を除く): 823514418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 70061, 140122, 210183, 350305, 420366, 490427, 630549, 700610, 980854, 1050915, 1261098, 1471281, 1891647, 2101830, 2452135, 2942562, 3152745, 3783294, 4413843, 4904270, 5674941, 6305490, 7356405, 8827686, 9458235, 11349882, 13241529, 14712810, 18916470, 22069215, 26483058, 28374705, 39724587, 44138430, 56749410, 66207645, 79449174, 132415290, 198622935, 397245870]

約数ペア:

[(1, 397245870), (2, 198622935), (3, 132415290), (5, 79449174), (6, 66207645), (7, 56749410), (9, 44138430), (10, 39724587), (14, 28374705), (15, 26483058), (18, 22069215), (21, 18916470), (27, 14712810), (30, 13241529), (35, 11349882), (42, 9458235), (45, 8827686), (54, 7356405), (63, 6305490), (70, 5674941), (81, 4904270), (90, 4413843), (105, 3783294), (126, 3152745), (135, 2942562), (162, 2452135), (189, 2101830), (210, 1891647), (270, 1471281), (315, 1261098), (378, 1050915), (405, 980854), (567, 700610), (630, 630549), (810, 490427), (945, 420366), (1134, 350305), (1890, 210183), (2835, 140122), (5670, 70061)]