420139818

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 1170460800

約数和(自身を除く): 750320982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 49, 54, 57, 61, 63, 98, 114, 122, 126, 133, 137, 147, 171, 183, 189, 266, 274, 294, 342, 366, 378, 399, 411, 427, 441, 513, 549, 798, 822, 854, 882, 931, 959, 1026, 1098, 1159, 1197, 1233, 1281, 1323, 1647, 1862, 1918, 2318, 2394, 2466, 2562, 2603, 2646, 2793, 2877, 2989, 3294, 3477, 3591, 3699, 3843, 5206, 5586, 5754, 5978, 6713, 6954, 7182, 7398, 7686, 7809, 8113, 8357, 8379, 8631, 8967, 10431, 11529, 13426, 15618, 16226, 16714, 16758, 17262, 17934, 18221, 20139, 20862, 23058, 23427, 24339, 25071, 25137, 25893, 26901, 31293, 36442, 40278, 46854, 48678, 50142, 50274, 51786, 53802, 54663, 56791, 58499, 60417, 62586, 70281, 73017, 75213, 80703, 109326, 113582, 116998, 120834, 127547, 140562, 146034, 150426, 158783, 161406, 163989, 170373, 175497, 181251, 219051, 225639, 255094, 317566, 327978, 340746, 350994, 362502, 382641, 409493, 438102, 451278, 476349, 491967, 511119, 526491, 765282, 818986, 952698, 983934, 1022238, 1052982, 1111481, 1147923, 1228479, 1429047, 1533357, 1579473, 2222962, 2295846, 2456958, 2858094, 3066714, 3158946, 3334443, 3443769, 3685437, 4287141, 6668886, 6887538, 7370874, 7780367, 8574282, 10003329, 11056311, 15560734, 20006658, 22112622, 23341101, 30009987, 46682202, 60019974, 70023303, 140046606, 210069909, 420139818]

約数ペア:

[(1, 420139818), (2, 210069909), (3, 140046606), (6, 70023303), (7, 60019974), (9, 46682202), (14, 30009987), (18, 23341101), (19, 22112622), (21, 20006658), (27, 15560734), (38, 11056311), (42, 10003329), (49, 8574282), (54, 7780367), (57, 7370874), (61, 6887538), (63, 6668886), (98, 4287141), (114, 3685437), (122, 3443769), (126, 3334443), (133, 3158946), (137, 3066714), (147, 2858094), (171, 2456958), (183, 2295846), (189, 2222962), (266, 1579473), (274, 1533357), (294, 1429047), (342, 1228479), (366, 1147923), (378, 1111481), (399, 1052982), (411, 1022238), (427, 983934), (441, 952698), (513, 818986), (549, 765282), (798, 526491), (822, 511119), (854, 491967), (882, 476349), (931, 451278), (959, 438102), (1026, 409493), (1098, 382641), (1159, 362502), (1197, 350994), (1233, 340746), (1281, 327978), (1323, 317566), (1647, 255094), (1862, 225639), (1918, 219051), (2318, 181251), (2394, 175497), (2466, 170373), (2562, 163989), (2603, 161406), (2646, 158783), (2793, 150426), (2877, 146034), (2989, 140562), (3294, 127547), (3477, 120834), (3591, 116998), (3699, 113582), (3843, 109326), (5206, 80703), (5586, 75213), (5754, 73017), (5978, 70281), (6713, 62586), (6954, 60417), (7182, 58499), (7398, 56791), (7686, 54663), (7809, 53802), (8113, 51786), (8357, 50274), (8379, 50142), (8631, 48678), (8967, 46854), (10431, 40278), (11529, 36442), (13426, 31293), (15618, 26901), (16226, 25893), (16714, 25137), (16758, 25071), (17262, 24339), (17934, 23427), (18221, 23058), (20139, 20862)]