347390720

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2285

約数の個数: 72

約数和(自身を含む): 839053824

約数和(自身を除く): 491663104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1270, 1280, 2032, 2137, 2540, 4064, 4274, 5080, 8128, 8548, 10160, 10685, 16256, 17096, 20320, 21370, 32512, 34192, 40640, 42740, 68384, 81280, 85480, 136768, 162560, 170960, 271399, 273536, 341920, 542798, 547072, 683840, 1085596, 1356995, 1367680, 2171192, 2713990, 2735360, 4342384, 5427980, 8684768, 10855960, 17369536, 21711920, 34739072, 43423840, 69478144, 86847680, 173695360, 347390720]

約数ペア:

[(1, 347390720), (2, 173695360), (4, 86847680), (5, 69478144), (8, 43423840), (10, 34739072), (16, 21711920), (20, 17369536), (32, 10855960), (40, 8684768), (64, 5427980), (80, 4342384), (127, 2735360), (128, 2713990), (160, 2171192), (254, 1367680), (256, 1356995), (320, 1085596), (508, 683840), (635, 547072), (640, 542798), (1016, 341920), (1270, 273536), (1280, 271399), (2032, 170960), (2137, 162560), (2540, 136768), (4064, 85480), (4274, 81280), (5080, 68384), (8128, 42740), (8548, 40640), (10160, 34192), (10685, 32512), (16256, 21370), (17096, 20320)]