278330830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{6673}}^1$

素因数の和:6820

約数の個数: 32

約数和(自身を含む): 518009184

約数和(自身を除く): 239678354

約数列:

[1, 2, 5, 10, 43, 86, 97, 194, 215, 430, 485, 970, 4171, 6673, 8342, 13346, 20855, 33365, 41710, 66730, 286939, 573878, 647281, 1294562, 1434695, 2869390, 3236405, 6472810, 27833083, 55666166, 139165415, 278330830]

約数ペア:

[(1, 278330830), (2, 139165415), (5, 55666166), (10, 27833083), (43, 6472810), (86, 3236405), (97, 2869390), (194, 1434695), (215, 1294562), (430, 647281), (485, 573878), (970, 286939), (4171, 66730), (6673, 41710), (8342, 33365), (13346, 20855)]