307641790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 597196800

約数和(自身を除く): 289555010

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 149, 191, 230, 235, 298, 382, 470, 745, 955, 1081, 1490, 1910, 2162, 3427, 4393, 5405, 6854, 7003, 8786, 8977, 10810, 14006, 17135, 17954, 21965, 28459, 34270, 35015, 43930, 44885, 56918, 70030, 89770, 142295, 161069, 206471, 284590, 322138, 412942, 654557, 805345, 1032355, 1309114, 1337573, 1610690, 2064710, 2675146, 3272785, 6545570, 6687865, 13375730, 30764179, 61528358, 153820895, 307641790]

約数ペア:

[(1, 307641790), (2, 153820895), (5, 61528358), (10, 30764179), (23, 13375730), (46, 6687865), (47, 6545570), (94, 3272785), (115, 2675146), (149, 2064710), (191, 1610690), (230, 1337573), (235, 1309114), (298, 1032355), (382, 805345), (470, 654557), (745, 412942), (955, 322138), (1081, 284590), (1490, 206471), (1910, 161069), (2162, 142295), (3427, 89770), (4393, 70030), (5405, 56918), (6854, 44885), (7003, 43930), (8786, 35015), (8977, 34270), (10810, 28459), (14006, 21965), (17135, 17954)]