280848512

素因数分解:

$2^7\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1021}}^1$

素因数の和:1349

約数の個数: 64

約数和(自身を含む): 642143040

約数和(自身を除く): 361294528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 307, 448, 614, 896, 1021, 1228, 2042, 2149, 2456, 4084, 4298, 4912, 7147, 8168, 8596, 9824, 14294, 16336, 17192, 19648, 28588, 32672, 34384, 39296, 57176, 65344, 68768, 114352, 130688, 137536, 228704, 275072, 313447, 457408, 626894, 914816, 1253788, 2194129, 2507576, 4388258, 5015152, 8776516, 10030304, 17553032, 20060608, 35106064, 40121216, 70212128, 140424256, 280848512]

約数ペア:

[(1, 280848512), (2, 140424256), (4, 70212128), (7, 40121216), (8, 35106064), (14, 20060608), (16, 17553032), (28, 10030304), (32, 8776516), (56, 5015152), (64, 4388258), (112, 2507576), (128, 2194129), (224, 1253788), (307, 914816), (448, 626894), (614, 457408), (896, 313447), (1021, 275072), (1228, 228704), (2042, 137536), (2149, 130688), (2456, 114352), (4084, 68768), (4298, 65344), (4912, 57176), (7147, 39296), (8168, 34384), (8596, 32672), (9824, 28588), (14294, 19648), (16336, 17192)]