184883920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 465126480

約数和(自身を除く): 280242560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 389, 457, 520, 778, 914, 1040, 1556, 1828, 1945, 2285, 3112, 3656, 3890, 4570, 5057, 5941, 6224, 7312, 7780, 9140, 10114, 11882, 15560, 18280, 20228, 23764, 25285, 29705, 31120, 36560, 40456, 47528, 50570, 59410, 80912, 95056, 101140, 118820, 177773, 202280, 237640, 355546, 404560, 475280, 711092, 888865, 1422184, 1777730, 2311049, 2844368, 3555460, 4622098, 7110920, 9244196, 11555245, 14221840, 18488392, 23110490, 36976784, 46220980, 92441960, 184883920]

約数ペア:

[(1, 184883920), (2, 92441960), (4, 46220980), (5, 36976784), (8, 23110490), (10, 18488392), (13, 14221840), (16, 11555245), (20, 9244196), (26, 7110920), (40, 4622098), (52, 3555460), (65, 2844368), (80, 2311049), (104, 1777730), (130, 1422184), (208, 888865), (260, 711092), (389, 475280), (457, 404560), (520, 355546), (778, 237640), (914, 202280), (1040, 177773), (1556, 118820), (1828, 101140), (1945, 95056), (2285, 80912), (3112, 59410), (3656, 50570), (3890, 47528), (4570, 40456), (5057, 36560), (5941, 31120), (6224, 29705), (7312, 25285), (7780, 23764), (9140, 20228), (10114, 18280), (11882, 15560)]