311250996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 951035904

約数和(自身を除く): 639784908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 83, 84, 92, 126, 138, 161, 166, 207, 249, 252, 276, 322, 332, 414, 483, 498, 581, 644, 647, 747, 828, 966, 996, 1162, 1294, 1449, 1494, 1743, 1909, 1932, 1941, 2324, 2588, 2898, 2988, 3486, 3818, 3882, 4529, 5229, 5727, 5796, 5823, 6972, 7636, 7764, 9058, 10458, 11454, 11646, 13363, 13587, 14881, 17181, 18116, 20916, 22908, 23292, 26726, 27174, 29762, 34362, 40089, 40761, 44643, 53452, 53701, 54348, 59524, 68724, 80178, 81522, 89286, 104167, 107402, 120267, 133929, 160356, 161103, 163044, 178572, 208334, 214804, 240534, 267858, 312501, 322206, 375907, 416668, 481068, 483309, 535716, 625002, 644412, 751814, 937503, 966618, 1127721, 1235123, 1250004, 1503628, 1875006, 1933236, 2255442, 2470246, 3383163, 3705369, 3750012, 4510884, 4940492, 6766326, 7410738, 8645861, 11116107, 13532652, 14821476, 17291722, 22232214, 25937583, 34583444, 44464428, 51875166, 77812749, 103750332, 155625498, 311250996]

約数ペア:

[(1, 311250996), (2, 155625498), (3, 103750332), (4, 77812749), (6, 51875166), (7, 44464428), (9, 34583444), (12, 25937583), (14, 22232214), (18, 17291722), (21, 14821476), (23, 13532652), (28, 11116107), (36, 8645861), (42, 7410738), (46, 6766326), (63, 4940492), (69, 4510884), (83, 3750012), (84, 3705369), (92, 3383163), (126, 2470246), (138, 2255442), (161, 1933236), (166, 1875006), (207, 1503628), (249, 1250004), (252, 1235123), (276, 1127721), (322, 966618), (332, 937503), (414, 751814), (483, 644412), (498, 625002), (581, 535716), (644, 483309), (647, 481068), (747, 416668), (828, 375907), (966, 322206), (996, 312501), (1162, 267858), (1294, 240534), (1449, 214804), (1494, 208334), (1743, 178572), (1909, 163044), (1932, 161103), (1941, 160356), (2324, 133929), (2588, 120267), (2898, 107402), (2988, 104167), (3486, 89286), (3818, 81522), (3882, 80178), (4529, 68724), (5229, 59524), (5727, 54348), (5796, 53701), (5823, 53452), (6972, 44643), (7636, 40761), (7764, 40089), (9058, 34362), (10458, 29762), (11454, 27174), (11646, 26726), (13363, 23292), (13587, 22908), (14881, 20916), (17181, 18116)]