784714460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^2\times {\mathrm{149}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 1747418400

約数和(自身を除く): 962703940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 149, 214, 230, 298, 428, 460, 535, 596, 745, 1070, 1490, 2140, 2461, 2980, 3427, 4922, 6854, 9844, 11449, 12305, 13708, 15943, 17135, 22898, 24610, 31886, 34270, 45796, 49220, 57245, 63772, 68540, 79715, 114490, 159430, 228980, 263327, 318860, 366689, 526654, 733378, 1053308, 1316635, 1466756, 1705901, 1833445, 2633270, 3411802, 3666890, 5266540, 6823604, 7333780, 8529505, 17059010, 34118020, 39235723, 78471446, 156942892, 196178615, 392357230, 784714460]

約数ペア:

[(1, 784714460), (2, 392357230), (4, 196178615), (5, 156942892), (10, 78471446), (20, 39235723), (23, 34118020), (46, 17059010), (92, 8529505), (107, 7333780), (115, 6823604), (149, 5266540), (214, 3666890), (230, 3411802), (298, 2633270), (428, 1833445), (460, 1705901), (535, 1466756), (596, 1316635), (745, 1053308), (1070, 733378), (1490, 526654), (2140, 366689), (2461, 318860), (2980, 263327), (3427, 228980), (4922, 159430), (6854, 114490), (9844, 79715), (11449, 68540), (12305, 63772), (13708, 57245), (15943, 49220), (17135, 45796), (22898, 34270), (24610, 31886)]