315985124

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 748077120

約数和(自身を除く): 432091996

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 61, 76, 91, 98, 107, 122, 133, 182, 196, 214, 244, 247, 266, 364, 427, 428, 494, 532, 637, 749, 793, 854, 931, 988, 1159, 1274, 1391, 1498, 1586, 1708, 1729, 1862, 2033, 2318, 2548, 2782, 2989, 2996, 3172, 3458, 3724, 4066, 4636, 5243, 5551, 5564, 5978, 6527, 6916, 8113, 8132, 9737, 10486, 11102, 11956, 12103, 13054, 14231, 15067, 16226, 19474, 20972, 22204, 24206, 26108, 26429, 28462, 30134, 32452, 38857, 38948, 45689, 48412, 52858, 56791, 56924, 60268, 68159, 77714, 84851, 91378, 99617, 105469, 105716, 113582, 124013, 136318, 155428, 169702, 182756, 185003, 199234, 210938, 227164, 248026, 272636, 319823, 339404, 370006, 398468, 421876, 496052, 593957, 639646, 738283, 740012, 868091, 1187914, 1279292, 1295021, 1476566, 1612169, 1736182, 2375828, 2590042, 2953132, 3224338, 3472364, 4157699, 5180084, 6076637, 6448676, 8315398, 11285183, 12153274, 16630796, 22570366, 24306548, 45140732, 78996281, 157992562, 315985124]

約数ペア:

[(1, 315985124), (2, 157992562), (4, 78996281), (7, 45140732), (13, 24306548), (14, 22570366), (19, 16630796), (26, 12153274), (28, 11285183), (38, 8315398), (49, 6448676), (52, 6076637), (61, 5180084), (76, 4157699), (91, 3472364), (98, 3224338), (107, 2953132), (122, 2590042), (133, 2375828), (182, 1736182), (196, 1612169), (214, 1476566), (244, 1295021), (247, 1279292), (266, 1187914), (364, 868091), (427, 740012), (428, 738283), (494, 639646), (532, 593957), (637, 496052), (749, 421876), (793, 398468), (854, 370006), (931, 339404), (988, 319823), (1159, 272636), (1274, 248026), (1391, 227164), (1498, 210938), (1586, 199234), (1708, 185003), (1729, 182756), (1862, 169702), (2033, 155428), (2318, 136318), (2548, 124013), (2782, 113582), (2989, 105716), (2996, 105469), (3172, 99617), (3458, 91378), (3724, 84851), (4066, 77714), (4636, 68159), (5243, 60268), (5551, 56924), (5564, 56791), (5978, 52858), (6527, 48412), (6916, 45689), (8113, 38948), (8132, 38857), (9737, 32452), (10486, 30134), (11102, 28462), (11956, 26429), (12103, 26108), (13054, 24206), (14231, 22204), (15067, 20972), (16226, 19474)]