861938840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{24239}}^1$

素因数の和:24384

約数の個数: 64

約数和(自身を含む): 2233958400

約数和(自身を除く): 1372019560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 7112, 8890, 17780, 24239, 35560, 48478, 96956, 121195, 169673, 193912, 242390, 339346, 484780, 678692, 848365, 969560, 1357384, 1696730, 3078353, 3393460, 6156706, 6786920, 12313412, 15391765, 21548471, 24626824, 30783530, 43096942, 61567060, 86193884, 107742355, 123134120, 172387768, 215484710, 430969420, 861938840]

約数ペア:

[(1, 861938840), (2, 430969420), (4, 215484710), (5, 172387768), (7, 123134120), (8, 107742355), (10, 86193884), (14, 61567060), (20, 43096942), (28, 30783530), (35, 24626824), (40, 21548471), (56, 15391765), (70, 12313412), (127, 6786920), (140, 6156706), (254, 3393460), (280, 3078353), (508, 1696730), (635, 1357384), (889, 969560), (1016, 848365), (1270, 678692), (1778, 484780), (2540, 339346), (3556, 242390), (4445, 193912), (5080, 169673), (7112, 121195), (8890, 96956), (17780, 48478), (24239, 35560)]