420335360

素因数分解:

$2^8\times 5^1\times {\mathrm{541}}^1\times {\mathrm{607}}^1$

素因数の和:1169

約数の個数: 72

約数和(自身を含む): 1010357376

約数和(自身を除く): 590022016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 541, 607, 640, 1082, 1214, 1280, 2164, 2428, 2705, 3035, 4328, 4856, 5410, 6070, 8656, 9712, 10820, 12140, 17312, 19424, 21640, 24280, 34624, 38848, 43280, 48560, 69248, 77696, 86560, 97120, 138496, 155392, 173120, 194240, 328387, 346240, 388480, 656774, 692480, 776960, 1313548, 1641935, 2627096, 3283870, 5254192, 6567740, 10508384, 13135480, 21016768, 26270960, 42033536, 52541920, 84067072, 105083840, 210167680, 420335360]

約数ペア:

[(1, 420335360), (2, 210167680), (4, 105083840), (5, 84067072), (8, 52541920), (10, 42033536), (16, 26270960), (20, 21016768), (32, 13135480), (40, 10508384), (64, 6567740), (80, 5254192), (128, 3283870), (160, 2627096), (256, 1641935), (320, 1313548), (541, 776960), (607, 692480), (640, 656774), (1082, 388480), (1214, 346240), (1280, 328387), (2164, 194240), (2428, 173120), (2705, 155392), (3035, 138496), (4328, 97120), (4856, 86560), (5410, 77696), (6070, 69248), (8656, 48560), (9712, 43280), (10820, 38848), (12140, 34624), (17312, 24280), (19424, 21640)]