400642352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 874444032

約数和(自身を除く): 473801680

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 167, 172, 176, 317, 334, 344, 473, 634, 668, 688, 946, 1268, 1336, 1837, 1892, 2536, 2672, 3487, 3674, 3784, 5072, 6974, 7181, 7348, 7568, 13631, 13948, 14362, 14696, 27262, 27896, 28724, 29392, 52939, 54524, 55792, 57448, 78991, 105878, 109048, 114896, 149941, 157982, 211756, 218096, 299882, 315964, 423512, 582329, 599764, 631928, 847024, 1164658, 1199528, 1263856, 2276377, 2329316, 2399056, 4552754, 4658632, 9105508, 9317264, 18211016, 25040147, 36422032, 50080294, 100160588, 200321176, 400642352]

約数ペア:

[(1, 400642352), (2, 200321176), (4, 100160588), (8, 50080294), (11, 36422032), (16, 25040147), (22, 18211016), (43, 9317264), (44, 9105508), (86, 4658632), (88, 4552754), (167, 2399056), (172, 2329316), (176, 2276377), (317, 1263856), (334, 1199528), (344, 1164658), (473, 847024), (634, 631928), (668, 599764), (688, 582329), (946, 423512), (1268, 315964), (1336, 299882), (1837, 218096), (1892, 211756), (2536, 157982), (2672, 149941), (3487, 114896), (3674, 109048), (3784, 105878), (5072, 78991), (6974, 57448), (7181, 55792), (7348, 54524), (7568, 52939), (13631, 29392), (13948, 28724), (14362, 27896), (14696, 27262)]