490703500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 1325076480

約数和(自身を除く): 834372980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 47, 50, 70, 76, 94, 95, 100, 125, 133, 140, 157, 175, 188, 190, 235, 250, 266, 314, 329, 350, 380, 470, 475, 500, 532, 628, 658, 665, 700, 785, 875, 893, 940, 950, 1099, 1175, 1316, 1330, 1570, 1645, 1750, 1786, 1900, 2198, 2350, 2375, 2660, 2983, 3140, 3290, 3325, 3500, 3572, 3925, 4396, 4465, 4700, 4750, 5495, 5875, 5966, 6251, 6580, 6650, 7379, 7850, 8225, 8930, 9500, 10990, 11750, 11932, 12502, 13300, 14758, 14915, 15700, 16450, 16625, 17860, 19625, 20881, 21980, 22325, 23500, 25004, 27475, 29516, 29830, 31255, 32900, 33250, 36895, 39250, 41125, 41762, 44650, 51653, 54950, 59660, 62510, 66500, 73790, 74575, 78500, 82250, 83524, 89300, 103306, 104405, 109900, 111625, 125020, 137375, 140201, 147580, 149150, 156275, 164500, 184475, 206612, 208810, 223250, 258265, 274750, 280402, 298300, 312550, 368950, 372875, 417620, 446500, 516530, 522025, 549500, 560804, 625100, 701005, 737900, 745750, 781375, 922375, 981407, 1033060, 1044050, 1291325, 1402010, 1491500, 1562750, 1844750, 1962814, 2088100, 2582650, 2610125, 2804020, 3125500, 3505025, 3689500, 3925628, 4907035, 5165300, 5220250, 6456625, 7010050, 9814070, 10440500, 12913250, 14020100, 17525125, 19628140, 24535175, 25826500, 35050250, 49070350, 70100500, 98140700, 122675875, 245351750, 490703500]

約数ペア:

[(1, 490703500), (2, 245351750), (4, 122675875), (5, 98140700), (7, 70100500), (10, 49070350), (14, 35050250), (19, 25826500), (20, 24535175), (25, 19628140), (28, 17525125), (35, 14020100), (38, 12913250), (47, 10440500), (50, 9814070), (70, 7010050), (76, 6456625), (94, 5220250), (95, 5165300), (100, 4907035), (125, 3925628), (133, 3689500), (140, 3505025), (157, 3125500), (175, 2804020), (188, 2610125), (190, 2582650), (235, 2088100), (250, 1962814), (266, 1844750), (314, 1562750), (329, 1491500), (350, 1402010), (380, 1291325), (470, 1044050), (475, 1033060), (500, 981407), (532, 922375), (628, 781375), (658, 745750), (665, 737900), (700, 701005), (785, 625100), (875, 560804), (893, 549500), (940, 522025), (950, 516530), (1099, 446500), (1175, 417620), (1316, 372875), (1330, 368950), (1570, 312550), (1645, 298300), (1750, 280402), (1786, 274750), (1900, 258265), (2198, 223250), (2350, 208810), (2375, 206612), (2660, 184475), (2983, 164500), (3140, 156275), (3290, 149150), (3325, 147580), (3500, 140201), (3572, 137375), (3925, 125020), (4396, 111625), (4465, 109900), (4700, 104405), (4750, 103306), (5495, 89300), (5875, 83524), (5966, 82250), (6251, 78500), (6580, 74575), (6650, 73790), (7379, 66500), (7850, 62510), (8225, 59660), (8930, 54950), (9500, 51653), (10990, 44650), (11750, 41762), (11932, 41125), (12502, 39250), (13300, 36895), (14758, 33250), (14915, 32900), (15700, 31255), (16450, 29830), (16625, 29516), (17860, 27475), (19625, 25004), (20881, 23500), (21980, 22325)]