319782008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 791616000

約数和(自身を除く): 471833992

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 61, 76, 91, 104, 122, 133, 152, 182, 244, 247, 266, 364, 379, 427, 488, 494, 532, 728, 758, 793, 854, 988, 1064, 1159, 1516, 1586, 1708, 1729, 1976, 2318, 2653, 3032, 3172, 3416, 3458, 4636, 4927, 5306, 5551, 6344, 6916, 7201, 8113, 9272, 9854, 10612, 11102, 13832, 14402, 15067, 16226, 19708, 21224, 22204, 23119, 28804, 30134, 32452, 34489, 39416, 44408, 46238, 50407, 57608, 60268, 64904, 68978, 92476, 93613, 100814, 105469, 120536, 137956, 161833, 184952, 187226, 201628, 210938, 275912, 300547, 323666, 374452, 403256, 421876, 439261, 601094, 647332, 655291, 748904, 843752, 878522, 1202188, 1294664, 1310582, 1757044, 2103829, 2404376, 2621164, 3074827, 3514088, 4207658, 5242328, 5710393, 6149654, 8415316, 11420786, 12299308, 16830632, 22841572, 24598616, 39972751, 45683144, 79945502, 159891004, 319782008]

約数ペア:

[(1, 319782008), (2, 159891004), (4, 79945502), (7, 45683144), (8, 39972751), (13, 24598616), (14, 22841572), (19, 16830632), (26, 12299308), (28, 11420786), (38, 8415316), (52, 6149654), (56, 5710393), (61, 5242328), (76, 4207658), (91, 3514088), (104, 3074827), (122, 2621164), (133, 2404376), (152, 2103829), (182, 1757044), (244, 1310582), (247, 1294664), (266, 1202188), (364, 878522), (379, 843752), (427, 748904), (488, 655291), (494, 647332), (532, 601094), (728, 439261), (758, 421876), (793, 403256), (854, 374452), (988, 323666), (1064, 300547), (1159, 275912), (1516, 210938), (1586, 201628), (1708, 187226), (1729, 184952), (1976, 161833), (2318, 137956), (2653, 120536), (3032, 105469), (3172, 100814), (3416, 93613), (3458, 92476), (4636, 68978), (4927, 64904), (5306, 60268), (5551, 57608), (6344, 50407), (6916, 46238), (7201, 44408), (8113, 39416), (9272, 34489), (9854, 32452), (10612, 30134), (11102, 28804), (13832, 23119), (14402, 22204), (15067, 21224), (16226, 19708)]