308405140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{2069}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 672915600

約数和(自身を除く): 364510460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 257, 290, 514, 580, 1028, 1285, 2069, 2570, 4138, 5140, 7453, 8276, 10345, 14906, 20690, 29812, 37265, 41380, 60001, 74530, 120002, 149060, 240004, 300005, 531733, 600010, 1063466, 1200020, 2126932, 2658665, 5317330, 10634660, 15420257, 30840514, 61681028, 77101285, 154202570, 308405140]

約数ペア:

[(1, 308405140), (2, 154202570), (4, 77101285), (5, 61681028), (10, 30840514), (20, 15420257), (29, 10634660), (58, 5317330), (116, 2658665), (145, 2126932), (257, 1200020), (290, 1063466), (514, 600010), (580, 531733), (1028, 300005), (1285, 240004), (2069, 149060), (2570, 120002), (4138, 74530), (5140, 60001), (7453, 41380), (8276, 37265), (10345, 29812), (14906, 20690)]