309969496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 637056000

約数和(自身を除く): 327086504

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 157, 248, 314, 419, 589, 628, 838, 1178, 1256, 1676, 2356, 2983, 3352, 4712, 4867, 5966, 7961, 9734, 11932, 12989, 15922, 19468, 23864, 25978, 31844, 38936, 51956, 63688, 65783, 92473, 103912, 131566, 184946, 246791, 263132, 369892, 493582, 526264, 739784, 987164, 1249877, 1974328, 2039273, 2499754, 4078546, 4999508, 8157092, 9999016, 16314184, 38746187, 77492374, 154984748, 309969496]

約数ペア:

[(1, 309969496), (2, 154984748), (4, 77492374), (8, 38746187), (19, 16314184), (31, 9999016), (38, 8157092), (62, 4999508), (76, 4078546), (124, 2499754), (152, 2039273), (157, 1974328), (248, 1249877), (314, 987164), (419, 739784), (589, 526264), (628, 493582), (838, 369892), (1178, 263132), (1256, 246791), (1676, 184946), (2356, 131566), (2983, 103912), (3352, 92473), (4712, 65783), (4867, 63688), (5966, 51956), (7961, 38936), (9734, 31844), (11932, 25978), (12989, 23864), (15922, 19468)]