49257880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 136857600

約数和(自身を除く): 87599720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 47, 56, 70, 76, 94, 95, 133, 140, 152, 188, 190, 197, 235, 266, 280, 329, 376, 380, 394, 470, 532, 658, 665, 760, 788, 893, 940, 985, 1064, 1316, 1330, 1379, 1576, 1645, 1786, 1880, 1970, 2632, 2660, 2758, 3290, 3572, 3743, 3940, 4465, 5320, 5516, 6251, 6580, 6895, 7144, 7486, 7880, 8930, 9259, 11032, 12502, 13160, 13790, 14972, 17860, 18518, 18715, 25004, 26201, 27580, 29944, 31255, 35720, 37036, 37430, 46295, 50008, 52402, 55160, 62510, 64813, 74072, 74860, 92590, 104804, 125020, 129626, 131005, 149720, 175921, 185180, 209608, 250040, 259252, 262010, 324065, 351842, 370360, 518504, 524020, 648130, 703684, 879605, 1048040, 1231447, 1296260, 1407368, 1759210, 2462894, 2592520, 3518420, 4925788, 6157235, 7036840, 9851576, 12314470, 24628940, 49257880]

約数ペア:

[(1, 49257880), (2, 24628940), (4, 12314470), (5, 9851576), (7, 7036840), (8, 6157235), (10, 4925788), (14, 3518420), (19, 2592520), (20, 2462894), (28, 1759210), (35, 1407368), (38, 1296260), (40, 1231447), (47, 1048040), (56, 879605), (70, 703684), (76, 648130), (94, 524020), (95, 518504), (133, 370360), (140, 351842), (152, 324065), (188, 262010), (190, 259252), (197, 250040), (235, 209608), (266, 185180), (280, 175921), (329, 149720), (376, 131005), (380, 129626), (394, 125020), (470, 104804), (532, 92590), (658, 74860), (665, 74072), (760, 64813), (788, 62510), (893, 55160), (940, 52402), (985, 50008), (1064, 46295), (1316, 37430), (1330, 37036), (1379, 35720), (1576, 31255), (1645, 29944), (1786, 27580), (1880, 26201), (1970, 25004), (2632, 18715), (2660, 18518), (2758, 17860), (3290, 14972), (3572, 13790), (3743, 13160), (3940, 12502), (4465, 11032), (5320, 9259), (5516, 8930), (6251, 7880), (6580, 7486), (6895, 7144)]