304848040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7307}}^1$

素因数の和:7474

約数の個数: 64

約数和(自身を含む): 789264000

約数和(自身を除く): 484415960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 7307, 8344, 10430, 14614, 20860, 29228, 36535, 41720, 51149, 58456, 73070, 102298, 146140, 204596, 255745, 292280, 409192, 511490, 1022980, 1088743, 2045960, 2177486, 4354972, 5443715, 7621201, 8709944, 10887430, 15242402, 21774860, 30484804, 38106005, 43549720, 60969608, 76212010, 152424020, 304848040]

約数ペア:

[(1, 304848040), (2, 152424020), (4, 76212010), (5, 60969608), (7, 43549720), (8, 38106005), (10, 30484804), (14, 21774860), (20, 15242402), (28, 10887430), (35, 8709944), (40, 7621201), (56, 5443715), (70, 4354972), (140, 2177486), (149, 2045960), (280, 1088743), (298, 1022980), (596, 511490), (745, 409192), (1043, 292280), (1192, 255745), (1490, 204596), (2086, 146140), (2980, 102298), (4172, 73070), (5215, 58456), (5960, 51149), (7307, 41720), (8344, 36535), (10430, 29228), (14614, 20860)]