18455990700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{19231}}^1$

素因数の和:19712

約数の個数: 144

約数和(自身を含む): 61164529664

約数和(自身を除く): 42708538964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 457, 525, 700, 914, 1050, 1371, 1828, 2100, 2285, 2742, 3199, 4570, 5484, 6398, 6855, 9140, 9597, 11425, 12796, 13710, 15995, 19194, 19231, 22850, 27420, 31990, 34275, 38388, 38462, 45700, 47985, 57693, 63980, 68550, 76924, 79975, 95970, 96155, 115386, 134617, 137100, 159950, 191940, 192310, 230772, 239925, 269234, 288465, 319900, 384620, 403851, 479850, 480775, 538468, 576930, 673085, 807702, 959700, 961550, 1153860, 1346170, 1442325, 1615404, 1923100, 2019255, 2692340, 2884650, 3365425, 4038510, 5769300, 6730850, 8077020, 8788567, 10096275, 13461700, 17577134, 20192550, 26365701, 35154268, 40385100, 43942835, 52731402, 61519969, 87885670, 105462804, 123039938, 131828505, 175771340, 184559907, 219714175, 246079876, 263657010, 307599845, 369119814, 439428350, 527314020, 615199690, 659142525, 738239628, 878856700, 922799535, 1230399380, 1318285050, 1537999225, 1845599070, 2636570100, 3075998450, 3691198140, 4613997675, 6151996900, 9227995350, 18455990700]

約数ペア:

[(1, 18455990700), (2, 9227995350), (3, 6151996900), (4, 4613997675), (5, 3691198140), (6, 3075998450), (7, 2636570100), (10, 1845599070), (12, 1537999225), (14, 1318285050), (15, 1230399380), (20, 922799535), (21, 878856700), (25, 738239628), (28, 659142525), (30, 615199690), (35, 527314020), (42, 439428350), (50, 369119814), (60, 307599845), (70, 263657010), (75, 246079876), (84, 219714175), (100, 184559907), (105, 175771340), (140, 131828505), (150, 123039938), (175, 105462804), (210, 87885670), (300, 61519969), (350, 52731402), (420, 43942835), (457, 40385100), (525, 35154268), (700, 26365701), (914, 20192550), (1050, 17577134), (1371, 13461700), (1828, 10096275), (2100, 8788567), (2285, 8077020), (2742, 6730850), (3199, 5769300), (4570, 4038510), (5484, 3365425), (6398, 2884650), (6855, 2692340), (9140, 2019255), (9597, 1923100), (11425, 1615404), (12796, 1442325), (13710, 1346170), (15995, 1153860), (19194, 961550), (19231, 959700), (22850, 807702), (27420, 673085), (31990, 576930), (34275, 538468), (38388, 480775), (38462, 479850), (45700, 403851), (47985, 384620), (57693, 319900), (63980, 288465), (68550, 269234), (76924, 239925), (79975, 230772), (95970, 192310), (96155, 191940), (115386, 159950), (134617, 137100)]