389915008

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 911647440

約数和(自身を除く): 521732432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 197, 224, 329, 376, 394, 448, 658, 752, 788, 896, 1316, 1379, 1504, 1576, 2209, 2632, 2758, 3008, 3152, 4418, 5264, 5516, 6016, 6304, 8836, 9259, 10528, 11032, 12608, 15463, 17672, 18518, 21056, 22064, 25216, 30926, 35344, 37036, 42112, 44128, 61852, 64813, 70688, 74072, 88256, 123704, 129626, 141376, 148144, 176512, 247408, 259252, 282752, 296288, 435173, 494816, 518504, 592576, 870346, 989632, 1037008, 1185152, 1740692, 1979264, 2074016, 3046211, 3481384, 4148032, 6092422, 6962768, 8296064, 12184844, 13925536, 24369688, 27851072, 48739376, 55702144, 97478752, 194957504, 389915008]

約数ペア:

[(1, 389915008), (2, 194957504), (4, 97478752), (7, 55702144), (8, 48739376), (14, 27851072), (16, 24369688), (28, 13925536), (32, 12184844), (47, 8296064), (56, 6962768), (64, 6092422), (94, 4148032), (112, 3481384), (128, 3046211), (188, 2074016), (197, 1979264), (224, 1740692), (329, 1185152), (376, 1037008), (394, 989632), (448, 870346), (658, 592576), (752, 518504), (788, 494816), (896, 435173), (1316, 296288), (1379, 282752), (1504, 259252), (1576, 247408), (2209, 176512), (2632, 148144), (2758, 141376), (3008, 129626), (3152, 123704), (4418, 88256), (5264, 74072), (5516, 70688), (6016, 64813), (6304, 61852), (8836, 44128), (9259, 42112), (10528, 37036), (11032, 35344), (12608, 30926), (15463, 25216), (17672, 22064), (18518, 21056)]