636745340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17977}}^1$

素因数の和:18027

約数の個数: 96

約数和(自身を含む): 1739695104

約数和(自身を除く): 1102949764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 5060, 7084, 8855, 17710, 17977, 35420, 35954, 71908, 89885, 125839, 179770, 197747, 251678, 359540, 395494, 413471, 503356, 629195, 790988, 826942, 988735, 1258390, 1384229, 1653884, 1977470, 2067355, 2516780, 2768458, 2894297, 3954940, 4134710, 4548181, 5536916, 5788594, 6921145, 8269420, 9096362, 11577188, 13842290, 14471485, 18192724, 22740905, 27684580, 28942970, 31837267, 45481810, 57885940, 63674534, 90963620, 127349068, 159186335, 318372670, 636745340]

約数ペア:

[(1, 636745340), (2, 318372670), (4, 159186335), (5, 127349068), (7, 90963620), (10, 63674534), (11, 57885940), (14, 45481810), (20, 31837267), (22, 28942970), (23, 27684580), (28, 22740905), (35, 18192724), (44, 14471485), (46, 13842290), (55, 11577188), (70, 9096362), (77, 8269420), (92, 6921145), (110, 5788594), (115, 5536916), (140, 4548181), (154, 4134710), (161, 3954940), (220, 2894297), (230, 2768458), (253, 2516780), (308, 2067355), (322, 1977470), (385, 1653884), (460, 1384229), (506, 1258390), (644, 988735), (770, 826942), (805, 790988), (1012, 629195), (1265, 503356), (1540, 413471), (1610, 395494), (1771, 359540), (2530, 251678), (3220, 197747), (3542, 179770), (5060, 125839), (7084, 89885), (8855, 71908), (17710, 35954), (17977, 35420)]